html,body{background-color:#fff;color:#636b6f;font-family:'Nunito',sans-serif;font-weight:200;height:100vh;margin:0;}.full-height{height:100vh;}.flex-center{align-items:center;display:flex;justify-content:center;}.position-ref{position:relative;}.bottom-right{position:absolute;right:20px;bottom:18px;font-size:11px;}.content{text-align:center;}.title{font-size:36px;}.form{color:#636b6f;padding:0 25px;font-size:13px;font-weight:600;text-decoration:none;}input[type="number"]{width:120px;padding:12px 20px;display:block;border:1px solid #ccc;border-radius:4px;box-sizing:border-box;margin:0 auto;}.result{color:#000;font-size:20px;}.m-b-md{margin-bottom:30px;}a,a:visited,a:focus{color:#333333;text-decoration:underline;font-weight:bold;}a:hover{color:orange;}