.img{
position: relative;
margin: 0 15px;
background-repeat: no-repeat;
background-position: center center;
background-size: contain;
width: 70px;
height: 70px;
}
.img:before {
content: "";
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
border: 2px solid #fff;
}
