ul,
li {
    margin: 0;
    padding: 0;
    list-style: none;
}
.prev,
.next,
.wheel-lib {
    display: inline-block;
    vertical-align: middle;
}
.wheel-lib {
    overflow: hidden;
    border: 1px solid #000;
    width: 200px;
    height: 100px;
}
.wheel-lib ul {
    -webkit-transition: all 1s;
    transition: all 1s;
    font-size: 0;
    width:1000%
    height: 100%;
}
.wwheel-lib ul li,
.wwheel-lib ul img {
    width: 200px;
    height: 100px;
    display: inline-block;
    white-space: nowrap;
}