.btn-13{z-index:var(--z-main);cursor:pointer;color:#fff;background-color:#89d8d3;background-image:linear-gradient(315deg,#89d8d3 0%,#03c8a8 74%);border:none;border-radius:5px;min-width:130px;padding:10px 20px;font-size:16px;transition:all .3s;position:relative;overflow:hidden}.btn-13:after{opacity:.2;content:"";width:100%;height:0;z-index:var(--z-main);background-color:#4dccc6;background-image:linear-gradient(315deg,#4dccc6 0%,#96e4df 74%);border-radius:5px;transition:all .3s;position:absolute;bottom:0;left:0}.btn-13:hover{color:#000}.btn-13:hover:after{height:100%;top:0}.btn-13:active{top:2px}