Page Scroll With CSS3

.st-container{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
.st-container &gt; input,
 .st-container &gt; a{
    position:fixed;
    bottom: 0;
    width: 20%;
    cursor:pointer;
    font-size: 16px;
    height: 34px;
    line-height: 34px;
}
.st-container &gt; input{
    opacity: 0;
    z-index: 1000;
}
.st-container &gt; a{
    z-index: 10;
    font-weight: 700;
    background: #e23a6e;
    color:#fff;
    text-align: center;
    text-shadow: 1px 1px 1px rgba(151,24,64,.2);
}
.st-container:before{
    content:"";
    position: fixed;
    width: 100%;
    height: 34px;
    background-color: #e23a6e;
    z-index: 9;
    bottom: 0;
}
#st-control-1, #st-control-1+a{
    left:0;
}
#st-control-2, #st-control-2+a{
    left:20%;
}
#st-control-3, #st-control-3+a{
    left:40%;
}
#st-control-4, #st-control-4+a{
    left:60%;
}
#st-control-5, #st-control-5+a{
    left:80%;
}
.st-container &gt; input:checked + a,
.st-container &gt; input:checked:hover + a{
    background-color: #821134;
}
.st-container &gt; input:checked + a:after,
.st-container &gt; input:checked:hover + a:after{
    bottom:100%;
    border:solid transparent;
    content:"";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
    border-bottom-color: #821134;
    border-width: 20px;
    left:50%;
    margin-left:-20px;
}
.st-container &gt; input:hover+a:after{
    border-bottom-color: #AD244F;
}
.st-scroll,
.st-panel{
    position:relative;
    width: 100%;
    height: 100%;
}
.st-scroll{
    top: 0;
    left: 0;
    transition:all .6s ease-in-out;
}
.st-panel{
    background-color: #fff;
    overflow: hidden;
}
#st-control-1:checked ~ .st-scroll{ //scroll
    transform:translateY(0%);
}
#st-control-2:checked ~ .st-scroll{ //scroll
    transform: translateY(-100%);
}
#st-control-3:checked ~ .st-scroll{ //scroll
    transform: translateY(-200%);
}
#st-control-4:checked ~ .st-scroll{ //scroll
    transform: translateY(-300%);
}
#st-control-5:checked ~ .st-scroll{ //scroll
    transform: translateY(-400%);
}