body {
    background: #fafafa url('img/zebra.png');
    /*  http://subtlepatterns.com/subtle-zebra-3d/*/
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 62.5%;
    line-height: 1;
    color: #616161;
    padding: 35px 0;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-direction: column;
}
h1 {
    font-family: 'Roboto Slab', Arial, sans-serif;
    color: #646464;
    font-size: 4.0em;
    line-height: 1.6em;
    margin-bottom: 10px;
}
.list {
    font-family: sans-serif;
    margin: 0;
    padding: 0 0 0;
    overflow-y: auto;
}
.list > li {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    background-color: #eee;
    padding-left: 50px !important;
    padding-right: 50px !important;
    box-shadow: inset 0 1px 0 #fff;
}
img {
    max-width: 100%;
}
h3 {
    font-size: 16px;
    font-weight: normal;
    font-weight: bold;
}
p {
    margin: 0;
}
input {
    border: solid 1px #ccc;
    border-radius: 5px;
    padding: 5px;
    margin: 5px;
}
input:focus {
    outline: none;
    border-color: #aaa;
}
.sort {
    padding: 8px 30px;
    border-radius: 6px;
    border: none;
    display: inline-block;
    color: #fff;
    text-decoration: none;
    background-color: #28a8e0;
    height: 30px;
}
.sort:hover {
    text-decoration: none;
    background-color: #1b8aba;
}
.sort:focus {
    outline: none;
}
.sort:after {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid transparent;
    content: "";
    position: relative;
    top: -10px;
    right: -5px;
}
.sort.asc:after {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #fff;
    content: "";
    position: relative;
    top: 13px;
    right: -5px;
}
.sort.desc:after {
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #fff;
    content: "";
    position: relative;
    top: -10px;
    right: -5px;
}
.list > li:first-child {
    visibility: hidden;
    display: none;
    height: 0px;
    width: 0px;
    padding: 0px;
}
#all {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-direction: column;
    width: 80%;
    margin: 0 auto;
    background: #fff;
    padding: 15px 25px;
    box-shadow: 1px 2px 3px -1px rgba(0, 0, 0, 0.4);
    border-radius: 4px;
    height: 528px;
}
#classes-list {
    width: 100%;
}
li {
    padding: 5px!important;
}
footer {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 60px;
    padding: 15px 25px;
    box-shadow: 1px 2px 3px -1px rgba(0, 0, 0, 0.4);
    border-radius: 4px;
    background: #fff;
}
button {
    flex: 1;
}
#key {
    position: absolute;
    bottom: 0px;
    left: 0px;
}