Add Circle Image Style to Popular Posts-1

#PopularPosts1 {
max-width: 300px}
#PopularPosts1 dd {
float: left;
border-bottom: none;
margin: 8px 8px 0 8px;
background: none;
display: block;
padding: 0}
#PopularPosts1 img {
width:75px;height:75px;border-radius:50px;font-size:20px;color:#fff;line-height:100px;text-align:center;}
#PopularPosts1 img:hover {
width:77px;height:77px;border-radius:50px;font-size:20px;color:#fff;line-height:100px;text-align:center;
cursor: pointer;-webkit-box-shadow: 0 0 20px #0cb1f6, inset 0 0 20px #0cb1f6;
-moz-box-shadow: 0 0 20px #0cb1f6, inset 0 0 20px #0cb1f6;
box-shadow: 0 0 20px #0cb1f6, inset 0 0 20px #0cb1f6;}