/* V.2018.02.08/PM17:46 */

html {
    box-sizing: border-box;
    overflow-x: hidden;
    height: 100%;
}

body {
    position: relative;
    top: 0;
    width: 100%;
    height: 100%;
    min-height: 100%;
    font-family: "Helvetica Neue", Helvetica, Roboto, Arial, Geneva, "Heiti TC", "Microsoft JhengHei", sans-serif;
    letter-spacing: 0.06em;
    background-image: url(../images/bkg.png);
    background-position: center top;
    background-size: auto;
    background-repeat: repeat;
    background-attachment: scroll;
    color: #5a5a5a;
    overflow: auto;
}

* {
    margin: 0;
    padding: 0;
}

a,
button,
input,
select,
textarea {
    font-family: "Helvetica Neue", Helvetica, Roboto, Arial, Geneva, "Heiti TC", "Microsoft JhengHei", sans-serif;
    -webkit-transition: all 0.2s ease-in;
    -moz-transition: all 0.2s ease-in;
    -o-transition: all 0.2s ease-in;
    -ms-transition: all 0.2s ease-in;
    transition: all 0.2s ease-in;
}

input[type="submit"] {
    cursor: pointer;
    font-size: 20px;
    border: 0;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 6px 20px;
}

input[type="submit"]:hover {
    filter: brightness(120%);
    outline: none;
}

input[type="submit"]:focus {
    filter: brightness(90%);
    outline: none;
}

input[type="search"],
input[type="email"],
input[type="text"],
input[type="number"],
input[type="password"],
input[type="tel"],
textarea {
    width: 100%;
    background-color: #eee;
    border: 1px solid #ddd;
    font-size: 13px;
    font-weight: 400;
}

p {
    margin: 0;
}

a {
    text-decoration: none;
    color: #1e88e5;
}

a:hover {
    filter: brightness(110%);
}

header {
    position: relative;
    z-index: 9999;
    height: 88px;
    background: -webkit-linear-gradient(to right, rgb(135, 172, 24), rgb(190, 216, 52), rgb(231, 253, 116));
    background: -o-linear-gradient(to right, rgb(135, 172, 24), rgb(190, 216, 52), rgb(231, 253, 116));
    background: linear-gradient(to right, rgb(135, 172, 24), rgb(190, 216, 52), rgb(231, 253, 116));
    background-image: url(../images/list_bg_source.png);
    /* background-image: url(../images/list_bg_childrens_day.png); */
    /* background-image: url(../images/list_bg_halloween.png); */
    /* background-image: url(../images/list_bg_2019_max.png); */
    /* background-image: url(../images/list_bg_max.png); */
    /* background-image: url(../images/list_bg_new_year.png); */
    /* background-image: url(../images/new_year_banner_v2.png); */
    /* background-image: url(../images/new_year_banner_v3.png); */
    background-repeat: no-repeat;
    background-position: top center;
}

footer {
    display: block;
    width: 100%;
    min-height: 80px;
    background-color: #5f5f5f;
}

footer p {
    text-align: center;
    padding: 30px;
    color: #ccc;
}

.audio-wrap {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 50px;
    z-index: 9999;
    background-color: #fafafa;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 8px;
}

audio {
    width: 85%;
}

audio::-media-controls-play-button {
    color: red;
}

.content {
    margin-top: -15px;
    z-index: 0;
}

.wrap {
    margin: auto;
    padding-top: 5px;
}

header .wrap {
    max-width: 1200px;
}

.select-disable {
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -o-user-select: none;
    user-select: none;
}


/* head area 頭部區域 */

.logo {
    float: left;
    width: 45%;
    margin-left: 15px;
}

.logo img {
    display: inline-block;
    width: 60px;
    height: 60px;
    vertical-align: middle;
}

.logo p {
    display: inline-block;
    font-size: 30px;
    color: #FFF;
    text-shadow: 2px 2px 3px #111;
    vertical-align: middle;
}

.slogan {
    float: right;
    margin: 5px 15px 0;
    /* display: none; */
}

.slogan img {
    width: 330px;
    height: 52px;
}

.title-banner {
    position: absolute;
    top: -30px;
    left: 25px;
    min-width: 230px;
    height: 40px;
    padding: 4px 13px;
    text-align: center;
    background-color: #F44336;
    border-radius: 12px 30px;
    border: 2px solid #FFCDD2;
    box-shadow: 6px -5px 0 rgba(0, 0, 0, .2);
}

.title-banner p {
    display: inline;
    font-size: 28px;
    color: #fff;
}

.title-banner img {
    display: inline;
}

.content-head {
    width: 90%;
    margin: 20px auto;
}

.bread-crumb-home {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    background-color: #8bc34a;
}

.bread-crumb-home a {
    display: block;
    font-size: 22px;
    color: #f1f8e9;
}

.bread-crumb-home .icon {
    width: 30px;
    height: auto;
    padding: 7px;
}

.bread-crumb {
    display: inline-block;
    vertical-align: middle;
    border-radius: 21px;
    width: auto;
    height: 28px;
    background-color: #656565;
    margin-left: -28px;
    border: 2px solid #fff;
}

.bread-crumb a:first-child {
    padding-left: 32px;
}

.bread-crumb a {
    display: inline-block;
    width: auto;
    max-width: 300px;
    padding: 5px 20px 0 5px;
    color: #ddd;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.bread-crumb span {
    position: relative;
}

.bread-crumb span::after {
    display: block;
    position: absolute;
    width: 8px;
    height: 8px;
    right: 8px;
    top: 0px;
    margin: auto 0px;
    transform: rotate(45deg);
    border-width: 1px;
    border-color: #fff;
    border-style: solid solid none none;
    content: "";
}

.cirlce-btn {
    cursor: pointer;
    float: right;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    margin: 0 6px;
    background-color: #2196f3;
    box-shadow: 4px -2px 0 rgba(0, 0, 0, .2);
}

.cirlce-btn.log-out {
    margin: 0 0 0 13px;
}

.cirlce-btn:hover {
    -webkit-transition: all 0.2s ease-in;
    -moz-transition: all 0.2s ease-in;
    -o-transition: all 0.2s ease-in;
    -ms-transition: all 0.2s ease-in;
    transition: all 0.2s ease-in;
    filter: brightness(120%);
}

.cirlce-btn a {
    display: block;
    font-size: 28px;
    color: #f1f8e9;
}

.cirlce-btn.back {}

.cirlce-btn.next {}

.cirlce-btn.logout {}

.cirlce-btn .icon {
    width: 45px;
    height: auto;
}

header div.logo br {
    display: none;
}

@media screen and (max-width:1020px) {
    header div.logo br {
        display: block;
    }

    header {
        height: 150px;
        background: -webkit-linear-gradient(to right, rgb(135, 172, 24), rgb(190, 216, 52), rgb(231, 253, 116));
        background: -o-linear-gradient(to right, rgb(135, 172, 24), rgb(190, 216, 52), rgb(231, 253, 116));
        background: linear-gradient(to right, rgb(135, 172, 24), rgb(190, 216, 52), rgb(231, 253, 116));
    }

    header .wrap {
        text-align: center;
        padding-top: 13px;
        width: 100%;
    }

    .logo {
        width: 320px;
        margin: 0 auto;
        float: none;
    }

    .logo p {
        display: block;
        font-size: 24px;
    }

    .slogan {
        float: none;
        margin-right: 0;
    }

    .slogan img {
        display: none;
    }
}

@media screen and (max-width:425px) {
    .logo {
        width: 80%;
    }

    .logo p {
        display: block;
        font-size: 24px;
    }
}


/* log-in 登入頁 */

.content.login {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 50px auto 120px;
    z-index: 1;
}

.content.login .wrap {
    position: relative;
    width: 100%;
    height: auto;
    padding: 20px 0;
    display: block;
}

.user-form {
    position: relative;
    display: flex;
    width: 38%;
    min-width: 245px;
    padding: 55px 30px 35px;
    margin: 60px auto;
    border: 2px solid #ccc;
    border-radius: 9px;
    background: #fff;
}

.user-form .title-banner {
    background-color: #ffa000;
    border: 2px solid #be7d1d;
}

#login-form {
    width: 100%
}

input.loginc {
    border: 0;
    display: block;
    width: 92%;
    line-height: 30px;
    min-height: 30px;
    margin: 8px auto;
    background: #f5f5f5;
    font-size: 20px;
    color: #333;
    font-family: "微軟正黑體", Arial;
}

.pasinfo {
    background-size: 100%;
    padding: 2px 0;
    margin: 0 0 5px;
    background: #f5f5f5;
    border-radius: 7px;
    box-shadow: inset 0 0 16px rgba(158, 158, 158, 0.4)
}

.pasinfo b {
    display: block;
    width: 100%;
    border-top: 1px solid #ddd;
    box-shadow: 0px 1px 1px #fff;
}

.user-form .c-row:last-child {
    padding: 15px 0 0;
}

.user-form input[type="submit"] {
    width: 115px;
    height: 35px;
    float: right;
    margin-right: 20px;
    background-color: #ffa000;
}

.c-row.submit p {
    float: right;
    font-size: 20px;
    line-height: 40px;
    margin-right: 10px;
}

.bkg-girl {
    position: absolute;
    left: 74%;
}

.login.bkg-girl {
    position: absolute;
    bottom: -120px;
    right: -130px;
    pointer-events: none;
    z-index: 1;
}


/* for listening 聽力*/

.entry-head {
    width: 90%;
    max-width: 1200px;
    margin: 20px auto;
}

.content.listening,
.content.tracks {
    width: 100%;
    max-width: 1200px;
    margin: 50px auto 120px;
    min-height: 680px;
}

.content.listening .wrap,
.content.tracks .wrap {
    background-image: url(../images/listening/page-bkg.jpg);
    background-position: center top;
    background-size: auto;
    background-repeat: repeat;
    background-attachment: scroll;
    position: relative;
    height: auto;
    padding: 20px 0;
    border: 2px dashed #ccc;
    border-radius: 10px;
}

.content.listening .wrap {
    width: 100%;
    min-height: 500px;
    padding-top: 95px;
    display: block;
}

.item-row {
    width: 95%;
    margin: 0px auto;
    transition: 200ms linear all;
    margin-bottom: 0px;
    text-align: justify;
    text-justify: inter-ideograph;
    -ms-text-justify: inter-ideograph;
    /*IE9*/
    -moz-text-align-last: justify;
    /*Firefox*/
    -webkit-text-align-last: justify;
    /*Chrome*/
}

.item-row:after {
    content: '';
    display: inline-block;
    width: 100%;
}

.content:last-child .item-row {
    position: relative;
}

.teaser {
    text-align: center;
    position: absolute;
    right: 100px;
    top: 20px;
    color: #808080;
}

.teaser span {
    font-size: 36px;
    font-weight: 600;
}

.teaser p {
    font-size: 14px;
}

.row-title {
    border-radius: 12px 30px;
    width: 230px;
    height: 50px;
    text-align: center;
    background-color: #F44336;
    position: absolute;
    left: 55px;
    top: -25px;
    border: 3px solid #FFCDD2;
    overflow: hidden;
    box-shadow: 4px -4px 0 rgba(0, 0, 0, .2);
}

.row-title p {
    padding: 7px;
    font-size: 30px;
    color: #fff;
    font-weight: 600;
}

.row-title .title-bkg {
    width: 100%;
    margin-top: -50px;
}

.book-title {
    border-radius: 9px 23px;
    width: 210px;
    height: 40px;
    text-align: center;
    position: absolute;
    top: 45px;
    overflow: hidden;
    box-shadow: 4px -4px 0 rgba(0, 0, 0, .2);
}

.book-title {
    display: block;
    font-size: 24px;
    color: #fff !important;
    font-weight: 600;
}

.book-title p {
    padding: 6px;
}

.book-title.s-book {
    left: 55px;
    background-color: #2196f3;
    border: 3px solid #90CAF9;
}

.book-title.w-book {
    left: 285px;
    background-color: #4caf50;
    border: 3px solid #c8e6c9;
}

.item {
    position: relative;
}

.item a {
    display: block;
    width: 100%;
    height: 100%;
}

.book-item {
    position: relative;
    display: inline-block;
    /*margin: 0 1.3%;*/
    text-align: center;
    border-radius: 25px 65px;
    background-color: #fff;
    border: 4px solid #fff;
    overflow: hidden;
    box-shadow: 8px -6px 0 rgba(0, 0, 0, .2);
    z-index: 3;
}

.book-item img {
    display: block;
    width: 12.0em;
}

.blank {
    display: inline-block;
    width: 14em;
}

.blank.track {
    width: 21%;
    margin: 0 1.3%;
}

.blank.lesson {
    width: 21%;
    margin: 0 1.7%;
}

.lesson-item-li {
    position: relative;
    display: inline-block;
    width: 21%;
    margin: 0 1.7%;
}

.lesson-item {
    z-index: 1;
    height: 230px;
    padding: 5px;
    border-radius: 8px;
    background-color: #fff;
    border: 2px solid #ccc;
    box-shadow: 4px -2px 0 rgba(0, 0, 0, .2);
    overflow: hidden;
}

.lesson-item figure {
    height: 185px;
    max-height: 185px;
    overflow: hidden;
    text-align: center;
    background-color: #fff;
}

.lesson-item figure img {
    max-height: 100%;
}

.lesson-item p {
    display: inline-block;
    width: calc(100% - 14px);
    margin-left: -7px;
    margin-top: 5px;
    padding: 11px 15px;
    background-color: rgb(190, 216, 52);
    color: #464646;
    font-size: 22px;
    text-align: center;
    text-overflow: ellipsis;
    overflow: hidden;
}

.lesson-item-li .icon {
    position: absolute;
    top: 10px;
    left: -15px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #ff5722;
    box-shadow: 4px -2px 0 rgba(0, 0, 0, .2);
    z-index: 2;
}

.lesson-item-li .icon img {
    width: 45px;
}

.lesson-item-li .sub-item-row {
    position: absolute;
    width: 597px;
    left: -50%;
    z-index: 3;
    padding: 8px 0;
    margin: auto;
    -webkit-animation: fadeOut 300ms;
    animation: fadeOut 300ms;
    display: none;
}

.lesson-item-li:first-child .sub-item-row {
    left: 0;
}

.lesson-item-li:last-child .sub-item-row {
    left: auto;
    right: 0;
}

.lesson-item-li .sub-row-wrap {
    display: block;
    width: 100%;
    padding: 5px;
    background: rgba(255, 255, 255, 1);
    border-radius: 10px;
    list-style: none;
    border: 2px solid #ccc;
    box-shadow: 4px -2px 0 rgba(0, 0, 0, .2);
}

.lesson-item-li .sub-item-row li a {
    display: block;
    padding: 10px 0;
    overflow: hidden;
}

.lesson-item-li .sub-item-row li {
    display: inline-block;
    width: 128px;
    height: 35px;
    text-align: center;
    margin: 5px 6px;
    border: 2px solid #ccc;
    border-radius: 20px;
}

.lesson-item-li .sub-item-row li:hover {
    background-color: #eee;
}

.content.tracks .wrap {
    width: 1200px;
    padding: 90px 75px 20px;
    display: table-cell;
}

.track-collects {
    display: inline-block;
    width: 30%;
}

.track-collects ul {
    list-style-type: none;
}

.track-collects .track-collect {
    width: 100%;
    height: 38px;
    margin: 30px auto;
    background-color: #fff;
    border: 2px solid #ccc;
    border-radius: 20px;
}

.track-collect p {
    padding: 6px 0 0 30px;
    font-size: 22px;
    /* color: #808080; */
    text-align: center;
    text-overflow: ellipsis;
    overflow: hidden;
}

.track-collect.current::after {
    content: "";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 0 8px 10px;
    border-color: transparent transparent transparent #aaa;
    position: absolute;
    top: 10px;
    right: -20px;
    z-index: 999;
}

.track-collect .icon {
    position: absolute;
    left: -15px;
    top: -5px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 4px -2px 0 rgba(0, 0, 0, .2);
    z-index: 99;
}

.track-collect .icon img {
    width: 50px;
}

.workbook .track-item:hover,
.workbook .track-collect:hover,
.student-book .track-item:hover,
.student-book .track-collect:hover {
    background-color: #eee;
}

.track-collect.current a,
.track-item.current a {
    /* font-weight: 600; */
    /* color: #5a5a5a; */
    color: black;
    font-weight: bold;
}


/* separate student or workbook 分類變色系  */

.student-book a,
.student-book .now-playing p {
    color: #2196f3;
}

.student-book .track-collect .icon {
    background-color: #2196f3;
}

.workbook a,
.workbook .now-playing p {
    color: #4caf50;
}

.workbook .track-collect .icon {
    background-color: #4caf50;
}

.student-book .track-collect.current {
    background-color: #ddf0ff;
}

.student-book .track-item.current {
    background-color: #fff870;
}

.workbook .track-item.current {
    background-color: #fff870;
}

.workbook .track-collect.current {
    background-color: #e9ffea;
}


/* end of separate student or workbook */

.tracks-list {
    display: inline-block;
    float: right;
    width: 73%;
    margin-top: 20px;
    border-radius: 10px;
    border: 2px solid #ccc;
    background-color: #fff;
}

.track-item {
    display: inline-block;
    width: 20%;
    height: 38px;
    margin: 0 1.3%;
    border: 2px solid #ccc;
    border-radius: 20px;
    text-align: center;
}

.track-item a {
    padding-top: 6px;
    font-size: 22px;
    overflow: hidden;
}

.now-playing {
    font-size: 22px;
    padding: 30px 30px 20px;
}

.now-playing span,
.now-playing p {
    display: inline-block;
    text-decoration: underline;
}

.now-playing p {
    text-decoration: underline;
    margin-left: 8px;
}

#drawer2 {
    line-height: 20px;
    margin: 33px auto;
    width: 100%;
}

@media screen and (min-width: 1023px) {
    #drawer2 {
        display: none;
        width: 270px;
    }

    .item:hover {
        transform: rotate(3deg);
        transition: 200ms linear all;
    }

    .lesson-item-li:hover .sub-item-row {
        display: block;
        -webkit-animation: fadeIn 500ms;
        animation: fadeIn 500ms;
    }

    /*
    .lesson-item-li:hover .icon:after {
        content: '';
        position: absolute;
        bottom: -196px;
        left: 30px;
        z-index: 9999;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 13px 10px 0 10px;
        border-color: #ccc transparent transparent transparent;
    }
    */
    .content.login .wrap {
        border: 0px;
        background-color: initial;
    }
}

@media screen and (max-width:1023px) {
    .cirlce-btn {}

    .row-title {
        left: 5%;
        top: 0;
    }

    .teaser {
        right: 5%;
        top: -10px;
    }

    .content.listening,
    .content.tracks {
        margin: 30px auto;
    }

    .content.listening .wrap,
    .content.tracks .wrap {
        border-radius: 0;
        border: 0;
        background: none;
    }

    .item-row {
        width: 88%;
        margin: 0px auto;
    }

    .book-item {
        margin-bottom: 30px;
        margin-right: 0px;
    }

    .book-item img {
        width: 20em;
    }

    .lesson-item-li {
        width: 46%;
        margin-bottom: 20px;
    }

    .lesson-item {
        height: 320px;
    }

    .lesson-item figure {
        min-height: 280px;
    }

    .lesson-item p {
        top: 300px;
        right: 15px;
    }

    .book-title {
        top: 70px;
    }

    .content.tracks .wrap {
        padding: 130px 34px 125px
    }

    .track-collect.current::after {
        display: none;
    }

    .track-collects {
        display: block;
        width: 100%;
    }

    .track-collect.item {
        width: 80% !important;
        height: 38px;
        display: block;
        margin: 0 40px 17px !important;
    }

    .track-collect p {
        padding: 10px 0 0 17px;
    }

    #drawer-toggle:checked~#drawer.track-collects {
        padding-top: 20px;
    }

    #drawer.track-collects ul {
        padding-bottom: 10px;
    }

    .tracks-list {
        display: block;
        float: none;
        width: 100%;
        margin: auto;
    }

    #drawer-toggle-label.choose-unit {
        height: 50px;
        width: 50px;
        border-radius: 50%;
        background-color: #2196f3;
        position: absolute;
        top: 147px;
        left: auto;
        right: 50px;
    }

    #drawer-toggle-label.choose-unit:before {
        width: 30px;
        background: #fff;
        left: 10px;
        top: 15px;
        box-shadow: 0 9px 0 #fff, 0 18px 0 #fff;
    }

    #drawer-toggle:checked~#drawer-toggle-label.choose-unit {
        transition-duration: .3s;
        background: rgba(230, 74, 25, 0.5);
        width: 50px;
    }

    #drawer-toggle:checked~#drawer-toggle-label.choose-unit:before,
    #drawer-toggle:checked~#drawer-toggle-label.choose-unit:after {
        left: 10px;
        top: 25px;
    }

    .now-playing {
        padding: 30px 80px 25px 15px;
    }
}

@media screen and (max-width:680px) {
    .bkg-girl {
        left: 50%;
    }

    .login.bkg-girl {
        display: none;
    }

    .row-title {
        border-radius: 10px;
    }

    .tracks-list .item-row {
        height: 105px;
    }

    .item-row {
        text-align: center;
    }

    .book-item img {
        width: 100%;
    }

    .lesson-item-li {
        width: 99%;
    }

    .lesson-item {
        height: 390px;
    }

    .lesson-item figure {
        min-height: 345px;
    }

    .lesson-item p {
        top: 365px;
    }

    .lesson-item-li .icon {
        left: 10px;
        top: auto;
        bottom: 25px;
    }

    .track-item,
    .blank.track {
        width: 44%;
        margin-bottom: 10px;
    }

    .book-title.s-book {
        left: 35px;
        border-radius: 10px;
    }

    .book-title.w-book {
        left: 260px;
        width: auto;
        padding: 0 10px;
        border-radius: 10px;
    }

    .content.listening,
    .content.tracks {
        margin: 90px auto;
    }

    /*
    .bread-crumb,
    .bread-crumb-home{
        display: none;
    }
    */
    .bread-crumb {
        display: none;
    }
}

@media screen and (max-width:425px) {
    .bkg-girl {
        left: 38%;
    }

    .book-item {
        border-radius: 15px;
        border: 2px solid #fff;
        box-shadow: 5px -4px 0 rgba(0, 0, 0, .2);
    }

    .content.listening .wrap {
        padding-top: 145px;
    }

    .row-title {
        left: calc(50% + -117px);
        top: 0;
    }

    .teaser {
        right: calc(50% - 65px);
        top: 60px;
    }

    .teaser span {
        font-size: 32px;
    }

    .lesson-item-li {
        width: 98%;
    }

    .lesson-item {
        height: 315px;
    }

    .lesson-item figure {
        min-height: 270px;
    }

    .lesson-item figcaption {
        top: 290px;
    }

    .content.tracks .wrap {
        padding: 250px 15px 125px
    }

    .book-title {
        left: calc(50% - 107px) !important;
    }

    .book-title.s-book {
        top: 135px
    }

    .book-title.w-book {
        top: 195px;
        width: 210px;
        padding: 0;
    }

    .now-playing {
        padding-top: 20px;
    }

    .track-collects ul {
        padding: 0;
    }

    #drawer-toggle-label.choose-unit {
        top: 270px;
        right: 30px;
    }
}

.flash {
    -webkit-animation-name: flash;
    -webkit-animation-duration: 1000ms;
    -webkit-animation-iteration-count: 1;
    -webkit-animation-timing-function: ease-in-out;
}

@-webkit-keyframes flash {
    0% {
        background-color: #4aaefd;
        opacity: 1;
    }

    17% {
        background-color: #2196f3;
    }

    28% {
        background-color: #4aaefd;
    }

    55% {
        background-color: #2196f3;
    }

    75% {
        background-color: #4aaefd;
    }

    100% {
        background-color: #2196f3;
    }
}

@keyframes flash {
    0% {
        background-color: #4aaefd;
        opacity: 1;
    }

    17% {
        background-color: #2196f3;
    }

    28% {
        background-color: #4aaefd;
    }

    55% {
        background-color: #2196f3;
    }

    75% {
        background-color: #4aaefd;
    }

    100% {
        background-color: #2196f3;
    }
}

@-webkit-keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@-webkit-keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}


/* animate 雲動畫*/

.cloud {
    animation: clouds 60s infinite linear;
}

.cloud img {
    width: 100%;
}

.cloud-1 {
    width: 100px;
    position: absolute;
    animation-duration: 40s;
    margin-left: -20%;
    margin-top: 110px;
}

.cloud-2 {
    width: 130px;
    position: absolute;
    animation-duration: 30s;
    margin-left: 10%;
    margin-top: 50px;
}

.cloud-3 {
    width: 165px;
    position: absolute;
    animation-duration: 80s;
    margin-left: 25%;
    margin-top: 155px;
}

.cloud-4 {
    width: 220px;
    position: absolute;
    animation-duration: 60s;
    margin-left: 55%;
    margin-top: 55px;
}

.cloud-5 {
    width: 180px;
    position: absolute;
    animation-duration: 70s;
    margin-left: -5%;
    margin-top: -25px;
}

@-webkit-keyframes clouds {
    0% {
        left: -10%;
    }

    100% {
        left: 110%;
    }
}

@keyframes clouds {
    0% {
        left: -10%;
    }

    100% {
        left: 110%;
    }
}