*{box-sizing:border-box}*,body{margin:0;padding:0}body h1,body h2,body h3,body h4,body h5,body h6{margin:0 0 10px;padding:0}body p{line-height:1.5;margin-bottom:8px}.btn{background-color:transparent;border:1px solid rgba(31,215,232,.875);border-radius:6px;color:#fff;cursor:pointer;display:block;letter-spacing:.5px;opacity:.75;padding:10px;text-align:center;text-decoration:none;transition:all .3s ease-in-out}.btn:hover{opacity:1}