*,
*:before,
*:after{
    padding:0;
    margin:0;
    box-sizing: border-box;
}
body{
    height: 110vh;
    background-image: url('clock.jpg');
    background-position: cover;
    background-size:cover;
}
.clock{
    width: 550px;
    height:150px;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
    position: absolute;
    display:flex;
    align-items:center;
    justify-content:space-between;
}
.clock div{
    position: relative;
    background-color: #ffffff;
    height:100%;
    width:150px;
    display:flex;
    align-items:center;
    justify-content:center; 
    color: #202020;
    border-radius: 5px;
    font-family: 'Open Sans', sans-serif;
    font-weight: bold;
    font-size: 60px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    letter-spacing: 3px;
}
.clock span{
    font-weight:bolder;
    font-size: 60px;
    color: #fcf7f7;
}