html,body,div,span,h1,p{margin:0;padding:0;}

html {
    background: #fff;
    font: normal 14px/24px 'Futura', Helvetica, Arial, sans-serif;
    color: #333;
}

strong { font-weight: bold; }
a { text-decoration: none; }

html, body { height: 100%; }

#content {
    min-height: 100%;
    text-align: left;
    overflow: hidden;
}

#content-inner {
    padding: 60px 0;
}

#piano {
    position: relative;
    margin: 0 auto;
    padding: 80px 40px 16px;
    width: 782px;
    background: linear-gradient(45deg, #f33, #f90);
    border-radius: 20px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.3), 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

/** keys */

#piano .keys {
    width: 780px;
    padding: 2px 0 0 2px;
    overflow: hidden;
    background: #000;
    border-radius: 0 0 4px 4px;
}

.key {
    float: left;
    position: relative;
    width: 50px;
    height: 180px;
    margin: 0 2px 2px 0;
    background: #fff;
    border-radius: 0 0 4px 4px;
    transition: all 0.1s ease-in-out;
}
.key.pressed,
.key:active {
    background: #e0e0e0;
    box-shadow: inset 3px 2px 5px rgba(0, 0, 0, 0.3);
}
.key.black {
    width: 0;
    margin: 0;
    z-index: 2;
}
.key.black:after {
    content: "";
    position: absolute;
    top: -2px;
    left: -16px;
    display: block;
    width: 32px;
    height: 117px;
    background: #000;
    border-radius: 0 0 4px 4px;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.1s ease-in-out;
}
.key.black1:after {
    left: -20px;
}
.key.black3:after {
    left: -16px;
}
.key.black.pressed:after,
.key.black:active:after {
    background-color: #444;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.5);
}

/** header */

h1 {
    position: absolute;
    top: 25px;
    left: 40px;
    font-size: 20px;
    line-height: 24px;
    color: #fff;
    text-shadow: -1px -1px 2px rgba(0, 0, 0, 0.7);
}

/** help */

.loop,
.help {
    position: absolute;
    top: 25px;
    right: 42px;
    width: 20px;
    height: 20px;
    color: transparent;
    background: rgba(255, 255, 255, .25);
    box-shadow: 1px 1px 3px rgba(0, 0, 0, .35), inset 1px 1px 2px rgba(255, 255, 255, .4);
    border-radius: 2px;
    z-index: 10;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.loop.active,
.loop:active,
.help.show,
.help:active {
    box-shadow: inset 1px 1px 3px rgba(0, 0, 0, .35);
}

.loop {
    right: 82px;
}

.help .help-inner {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    line-height: 0;
    overflow: hidden;
    transition: all 1s;
    -moz-transition: all 1s; /* Firefox 4 */
    -webkit-transition: all 1s; /* Safari and Chrome */
    -o-transition: all 1s; /* Opera */
}

.help.show .help-inner {
    top: 55px;
    padding: 20px;
    width: 740px;
    height: 142px;
    line-height: 24px;
    color: #eee;
    background: rgba(0, 0, 0, .85);
    border-radius: 4px;
    cursor: default;
    transition: all 1s;
}

.help.show:focus { outline: none; }

.opts { margin: 0; overflow: hidden; zoom: 1; width: 740px; height: 36px; line-height: 36px; }
.opts p { float: left; margin: 0 10px 0 0; }
.opts p:first-child { width: 6em; }
.opts p .selected { color: #999; font-style: italic; }

.toggle { cursor: pointer; }

.help a {
    display: inline-block;
    padding: 0 2px;
    color: #ccc;
    font-weight: bold;
    text-decoration: none;
}

.help a:before {
    content: "_";
}
.help a:after {
    content: "_";
}

/** below */

#below {
    position: relative;
    min-height: 100%;
    border-top: 2px solid #222;
    background: #333;
    line-height: 20px;
    color: #eee;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

#info {
    position: absolute;
    top: -42px;
    left: 0;
    padding: 10px 20px;
    line-height: 20px;
    color: #333;
    text-shadow: none;
    cursor: pointer;
}

#top {
    position: absolute;
    top: 0;
    right: 0;
    padding: 10px 20px;
    font-size: 20px;
    line-height: 20px;
    font-weight: bold;
    cursor: pointer;
}

.twitter-share-button {
    position: absolute;
    bottom: 40px;
    right: 0;
}

#top:hover {
    color: #f33;
}

#info:hover {
    color: #eee;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    background: #333;
    border-radius: 0 10px 0 0;
}

#below-inner {
    margin: 0 auto;
    padding: 18px 0 20px;
    width: 780px;
    text-align: left;
}

#below-inner h2 {
    font-size: 18px;
    font-weight: bold;
}

#below-inner p {
    margin-bottom: 20px;
}

#below-inner a {
    color: #fff;
    font-weight: bold;
    transition: color 0.3s ease;
}

#below-inner a:hover {
    color: #f90;
}

/** note */

.note {
    position: fixed;
    top: 20%;
    left: 30%;
    width: 40%;
    background: rgba(0, 0, 0, .85);
    border-radius: 10px;
    padding: 60px 0;
    color: #fff;
    font-size: 16px;
    line-height: 20px;
    text-align: center;
    z-index: 999;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}