.circle {
    border-radius: 50%;
    display: inline-block;
    position: relative;
}
.circle img {
    border-radius: 50%;
    display: block;
    border:1px solid #fff;
}
.circle:after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.2) 0%,rgba(255,255,255,0.8) 97%,rgba(255,255,255,0.8) 100%);
    border-radius: 70%;
    position: absolute;
    top: 0; left: 0;
}