img{
border-radius: 100px;
}

body {
    margin: 0;
    padding: 0;
    background-color: #637c4f;
    font-family: 'Treubuchet MS';
    color: white;
    text-align: center;
}
.topo{
    height: 0px;
    background-color: #012e40;
}
#user{
    padding: 17px;
    text-align: center;
    height: 350px;
    background-color: #012e40;
}
#links {
    max-width: 675px;
    width: auto;
    display: block;
    margin: 10px auto;
}
.link{
    position: relative;
    background-color: white;
    color:#012e40;
    border: solid 2px;
    border-radius: 10px;
    font-size: 2rem;
    padding: 17px;
    display: block;
    text-align: center;
    margin-left: 10px;
    margin-right: 10px;
    margin-bottom: 45px;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}