header{
    background:  linear-gradient(#4da3ff 1%, #1ebfff,deepskyblue 50%, #87e3fa 85%,#b0e0e6 100%);
    height: 80px;
}
#foot{
    background-attachment: scroll;
    position: fixed;
    bottom: 0;
    width: 60%;
    background-color: azure;
    border-style: inset;
    height: 80px;
    margin: 0 20%;
}
main{
    width: 80%;
    float: left;
    background:  linear-gradient(#b0e0e6,white 100%);
}
rightside{
    background: beige;
    width: 20%;
    right: 0;
    background-attachment: scroll;
    position: fixed;
    z-index: 20;
    height: 80%;
}
main div{
    width: 100%;
}
rightside a:hover{
    color:#BB00FF;
    font-size:22px;
}
rightside a:visited{
    color: blue;
}
a {
    text-decoration:none;
}
img[src^="view"]{
    width:50%;
    height: auto;
}
img[src^="ping"]{
    width: 50px;
    height: 50px
}