body {
    text-align:center;
    padding:20px;
}

.gray{
    background-color:darkgray;
    color:yellow;
    padding:10px;
}

.link{
    font-size:larger;
    padding:20px;
    margin:0px 20% 0px 20%;
    background-color:antiquewhite;
    border-radius:50% 50%;
    box-shadow:lightgray 5px 5px;
}