body{
    margin: 0;
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    justify-content: center;
    background: url(pngtree-futuristic-shape-abstract-background-chemistry-technology-concept-for-website-picture-image_1250295.jpg);
    background-size: cover;

}


h2{
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 14px;
    text-align: center;
}

.clock{
    display: flex;
}

.clock div{
    margin: 5px;
    position: relative;
}

.clock span{
    width: 100px;
    height: 80px;
    background: slateblue;
    opacity: .8;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 50px;
    text-shadow: 2px 2px 4px black;
}

.clock .text{
    height: 30px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: darkblue;
    opacity: 0.8;
}


.clock #ampm{
    bottom: 0;
    position: absolute;
    width: 60px;
    height: 30px;
    font-size: 20px;
    background-color: darkblue;
}