body {
color:white;
padding:0 0 30px 0;
margin:0;
background: black url('c.gif') 50% 98% no-repeat;
}
div {
display:flex;
flex-direction:column;
align-items:center;
}
div > a.button-circle {
margin:10px;
}
div > a.button-circle:first-child {
margin-top:20px;
}
@media (min-width: 576px) {
div {
display:flex;
justify-content:center;
align-items:center;
flex-direction:row;
height:92vh;
}
div > a.button-circle {
margin:40px;
}
}