.btn{box-sizing:border-box;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:#fff0;border:2px solid #e74c3c;border-radius:20px;color:#e74c3c;cursor:pointer;display:flex;align-self:center;font-size:1rem;font-weight:400;line-height:1;margin:20px;padding:1.2em 2.8em;text-decoration:none;text-align:center;text-transform:uppercase;font-family:'Montserrat',sans-serif}.btn:hover,.btn:focus{color:#fff;outline:0}.fifth{border-color:orangered;color:#fff;position:relative;overflow:hidden;z-index:1;transition:color 150ms ease-in-out}.fifth:after{content:'';position:absolute;display:block;top:0;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:0;height:100%;background:orangered;z-index:-1;transition:width 150ms ease-in-out}.fifth:hover{color:#fff}.fifth:hover:after{width:110%}