.btn{height:30px;width:auto;margin:5px;border-radius:10%;cursor:pointer;border:2px solid black;transition:color .4s ease-in-out,border-color .4s ease-in-out;box-shadow:.5em .5em .5em #0000004d}.btn:hover{background:linear-gradient(to bottom right,#008cff,#e100ff)!important;color:#fff!important;opacity:90%;transition:1s;background-position:right center}.btn:active{box-shadow:0 0 5px 5px #000;opacity:80%}.block{height:100px;width:100px}.flex-column{display:flex;flex-direction:column}.d-flex{display:flex}.m-0-5{margin:.5%}