a.user-close{
    position: relative;
    display:block;
    box-sizing:border-box;
    width:20px;
    height:20px;
    border-style: solid;
    border-color: black;
    border-radius:100%;
    -webkit-background: -webkit-linear-gradient(-45deg, transparent 0%, transparent 46%, white 46%,  white 56%,transparent 56%, transparent 100%), -webkit-linear-gradient(45deg, transparent 0%, transparent 46%, white 46%,  white 56%,transparent 56%, transparent 100%);
    background: linear-gradient(-45deg, transparent 0%, transparent 46%, white 46%,  white 56%,transparent 56%, transparent 100%), linear-gradient(45deg, transparent 0%, transparent 46%, white 46%,  white 56%,transparent 56%, transparent 100%);
    background-color:black;
    box-shadow:0px 0px 5px 2px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
    z-index: 50;    
  }