.block {
position: fixed;
left: 50%;
bottom: 100px;
background: #fff;
height: 100px;
right: 50px;
border-radius: 5px;
}
.circle {
position: fixed;
background: #df6363;
border-radius: 100%;
width: 100px;
height: 100px;
bottom: 150px;
right:770px;
}
body {
background: #444;}