.download-cv-btn{background-color:transparent;border:1px solid;border-radius:.25rem;margin:8px 0;padding:8px 16px;transition:all .7s;position:relative;overflow:hidden}.download-cv-btn:before{content:"";z-index:-11;background-color:#000;border-radius:50%;width:0;height:0;transition:all .7s;position:absolute;top:100%;left:0;transform:translate(-50%,-50%)}.download-cv-btn:hover{color:#fff}.download-cv-btn:hover:before{content:"";width:500px;height:500px}