Pure CSS 3 fancy separator

.or-spacer {
    margin-top:100px;
    margin-left:100px;
    width:400px;
    position:relative;
}
.or-spacer .mask {
    overflow:hidden;
    height:20px;
}
.or-spacer .mask:after {
    content:'';
    display:block;
    margin:-25px auto 0;
    width:100%;
    height:25px;
    border-radius:125px / 12px;
    box-shadow:0 0 8px black;
}
.or-spacer span {
    width:50px;
    height:50px;
    position:absolute;
    bottom:100%;
    margin-bottom:-25px;
    left:50%;
    margin-left:-25px;
    border-radius:100%;
    box-shadow:0 2px 4px #999;
    background:white;
}
.or-spacer span i {
    position:absolute;
    top:4px;
    bottom:4px;
    left:4px;
    right:4px;
    border-radius:100%;
    border:1px dashed #aaa;
    text-align:center;
    line-height:40px;
    font-style:normal;
    color:#999;
}