* {
     padding:0;
     margin:0;
     box-sizing:border-box;
}
 body {
     background:#333;
}
 .clock {
     width:380px;
     height:110px;
     background:transparent;
     margin:20px auto;
     color:#2287C4;
     display:flex;
     justify-content:center;
     align-items:center;
     font-size:100px;
     font-weight:bold;
}