.my_slider{
    width: 300%;
    height: 33%;
    text-align: center;
    font-size: 4rem;
    line-height: 100%;
}
.my_slide {
    width: 12.5%;
    height: 100%;
    float: left;
    font-size: 20px;
}

.my_slide span {
    font-size: 20px;
}
.points{
    position: fixed;
    display: block;
    top: 5px;
    right: 30px;
    display: none;
}
.points ul li{
    display: inline;
    font-size: 4em;
    padding-right: 0.3em;
}
.active{
    color: #F00;
}
.arrow {
    position: absolute;
    z-index: 2000;
    font-size: 10em;
    top: 50%;
    display: none;
}
#next{
    right: 30px;
}
#prev{
    left: 30px;
}
#next:hover,#prev:hover{
    color: #777;
}