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编译

JavaScript

var $hithere = $('.hithere');

$('#sidebutton').click(function() {
    if ('[class^=leftright]') {
        $('[class^=leftright]').remove();
    }
    $hithere.css('overflow', 'visible');
    $hithere.append('<div class="leftright"></div><div class="leftright2"></div><div class="leftright3">');
    $('[class^=bottomtop]').remove();
    $('svg').remove();

});

$('#topbottombutton').click(function() {
    if ('[class^=bottomtop]') {
        $('[class^=bottomtop]').remove();
    }
    $hithere.css('overflow', 'visible');
    $hithere.append('<div class="bottomtop"></div><div class="bottomtop2"></div><div class="bottomtop3"></div><div class="bottomtop4"></div><div class="bottomtop5"></div>');
    $('[class^=leftright]').remove();
    $('.snake').remove();
    $('.svgwaves').remove()
});

$('#wavebutton').click(function() {
    if ('.svgwaves') {
        $('.svgwaves').remove();
    }

$hithere.css('overflow', 'hidden');
    $hithere.append('<?xml version="1.0" standalone="no" ?><svg class="svgwaves" style="margin-top: 30px;" width="100%" viewbox="0 0 500 300" version="1.1" xmlns="http://www.w3.org/2000/svg"><path d="M0 30 Q 62.5 35, 125 20 T 250 20 T 375 20 T 500 20 T 500 -10 L 500 300 L 0 300 L 0 20;" fill="white"><animate attributeName="d" values="M0 30 Q 62.5 35, 125 20 T 250 20 T 375 20 T 500 20 T 500 -10 L 500 300 L 0 300 L 0 20; M0 10 Q 0 0, 62.5 20 T 187.5 20 T 312.5 20 T 437.5 20 T 500 10 L 500 300 L 0 300 L 0 0; M0 -10 Q 0 35, 62.5 20 T 187.5 20 T 312.5 20 T 437.5 20 T 500 12 L 500 300 L 0 300 L 0 35; M0 40 Q 62.5 0, 125 20 T 250 20 T 375 20 T 500 20 T 500 35 L 500 300 L 0 300 L 0 20; M0 15 Q 0 35, 62.5 20 T 187.5 20 T 312.5 20 T 437.5 20 T 500 25 L 500 300 L 0 300 L 0 35; M0 10 Q 0 0, 62.5 20 T 187.5 20 T 312.5 20 T 437.5 20 T 500 10 L 500 300 L 0 300 L 0 0; M0 30 Q 62.5 35, 125 20 T 250 20 T 375 20 T 500 20 T 500 10 L 500 300 L 0 300 L 0 20;" dur="2s" repeatCount="indefinite" /></path></svg>');
    $('[class^=bottomtop]').remove();
    $('[class^=leftright]').remove();
    $('.snake').remove();
});

$('#snakebutton').click(function() {
    if ('.snake') {
        $('.snake').remove();
    }

$hithere.css('overflow', 'hidden');
    $hithere.append('<?xml version="1.0" standalone="no" ?><svg class="snake" width="100%" height="100%" preserveAspectRatio="none"  viewbox="0 0 500 300" version="1.1" xmlns="http://www.w3.org/2000/svg"><path class="snakefill" d="M15 300 V 15 H 485 V 285 H 45 V 45 H 455 V 255 H 75 V 75 H 425 V 225 H 105 V 105 H 395 V 195 H 135 V 135 H 365 V 165 H 145;" stroke="white" stroke-width="30" fill="transparent"/></svg>');
    $('[class^=bottomtop]').remove();
    $('[class^=leftright]').remove();
    $('.svgwaves').remove();
});

编译

CSS

body,
html {
    padding: 0;
    /*Remember to also change the background of ".hithere p" */
    
    margin: 0;
    background: url(http://i.imgur.com/6dmOAmB.jpg) center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    width: 100%;
    height: 100%;
    margin: auto;
    overflow-y: hidden;
}
.wrapper {
    height: 100%;
    width: 100%;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.hithere {
    margin: auto;
    width: 80%;
    height: 150px;
    position: relative;
    top: 50%;
    margin-top: -75px;
}
.hithere p {
    top: 10px;
    width: 100%;
    position: relative;
    height: auto;
    padding: 10px;
    font-size: 6em;
    text-transform: uppercase;
    font-weight: bold;
    background-image: url(http://i.imgur.com/aVEWglJ.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    -webkit-background-clip: text;
    background-clip: text;
    color: rgba(0, 0, 0, 0);
    z-index: 2;
    background-position: 50%;
}
.hithere div[class^="leftright"] {
    width: 100%;
    height: 33%;
    background: white;
    position: relative;
    z-index: 1;
    top: -140px;
}
.hithere .leftright,
.hithere .leftright3 {
    -webkit-animation: left 1s both;
    animation: left 1s both;
}
.leftright2 {
    -webkit-animation: right 1s both;
    animation: right 1s both;
}
.hithere div[class^="bottomtop"] {
    width: 20%;
    height: 100%;
    background: white;
    position: relative;
    z-index: 1;
    top: -140px;
    float: left;
}
.hithere .svgwaves {
    position: relative;
    -webkit-animation: moveWave 5s both;
    animation: moveWave 5s both;
}
.bottomtop,
.bottomtop3,
.bottomtop5 {
    -webkit-animation: top 1s both;
    animation: top 1s both;
}
.bottomtop2,
.bottomtop4 {
    -webkit-animation: bottom 1s both;
    animation: bottom 1s both;
}
@media screen and (min-width: 708px) {
    .hithere {
        width: 635px;
        margin-top: -90px;
    }
    .hithere p {
        font-size: 8em;
        top: -15px;
    }
    .hithere div[class^="leftright"],
    .hithere div[class^="bottomtop"] {
        top: -190px !important;
    }
    @-webkit-keyframes moveWave {
        0% {
            top: -80px;
            opacity: 1;
        }
        100% {
            top: -280px;
            opacity: 1;
        }
    }
    @keyframes moveWave {
        0% {
            top: -80px;
            opacity: 1;
        }
        100% {
            top: -280px;
            opacity: 1;
        }
    }
}
@media screen and (max-width: 545px) {
    .hithere {
        height: 360px;
    }
    .hithere p {
        width: 100%;
        top: -50px;
    }
    .hithere div[class^="leftright"],
    .hithere div[class^="bottomtop"] {
        top: -320px !important;
    }
    @-webkit-keyframes moveWave {
        0% {
            top: -40px;
            opacity: 1;
        }
        100% {
            top: -430px;
            opacity: 1;
        }
    }
    @keyframes moveWave {
        0% {
            top: -40px;
            opacity: 1;
        }
        100% {
            top: -430px;
            opacity: 1;
        }
    }
}
@-webkit-keyframes left {
    0% {
        left: -180%;
        opacity: 0;
    }
    100% {
        left: 0px;
        opacity: 1;
    }
}
@keyframes left {
    0% {
        left: -180%;
        opacity: 0;
    }
    100% {
        left: 0px;
        opacity: 1;
    }
}
@-webkit-keyframes right {
    0% {
        left: 180%;
        opacity: 0;
    }
    100% {
        left: 0px;
        opacity: 1;
    }
}
@keyframes right {
    0% {
        left: 180%;
        opacity: 0;
    }
    100% {
        left: 0px;
        opacity: 1;
    }
}
@-webkit-keyframes top {
    0% {
        top: -395%;
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes top {
    0% {
        top: -395%;
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@-webkit-keyframes bottom {
    0% {
        top: 195%;
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes bottom {
    0% {
        top: 195%;
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
.buttons {
    position: absolute;
    top: 0;
    left: 0;
}
.snake {
    position: relative;
    top: -185px;
}
.snakefill {
    stroke-dasharray: 5500;
    stroke-dashoffset: 5500;
    -webkit-animation: dash 2s linear alternate both;
    animation: dash 2s linear alternate both;
}
@-webkit-keyframes dash {
    from {
        stroke-dashoffset: 5500;
    }
    to {
        stroke-dashoffset: 0;
    }
}
@keyframes dash {
    from {
        stroke-dashoffset: 5500;
    }
    to {
        stroke-dashoffset: 0;
    }
}

HTML

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编辑器支持Emmet

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