/* BASIC css start */
.fix_btn{position:fixed;right:20px;bottom:20px;z-index:999;}
.fix_btn a{display:block;width:75px;height:75px;border-radius:100%;overflow:hidden;margin-top:10px;box-shadow:2px 2px 2px rgba(0,0,0,0.2);}
.fix_btn a img{height:75px;}

/* BASIC css end */