style-digitalclock.css

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@600&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 85vh;
    /* background: #000; */
    background-image: url(1235.jpg);
    background-size: cover;
}

#clock h1{
    position: relative;
    display: block;
    color: rgb(245, 10, 10);
    text-align: center;
    margin: 20px 0;
    font-weight: 1000;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 2em;
}
#clock #time{
    display: flex;
}
#clock #time div{
    position: relative;
    margin: 0 10px;
    -webkit-box-reflect: below 1px linear-gradient(transparent,#0004);
}
#clock #time div span{
    position: relative;
    display: block;
    width:200px;
    height: 200px;
    background:rgba(2, 2, 141, 0.651);
    color:  #fefeff;
    font-weight: 300;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4em;
    z-index: 10;
    box-shadow: 0 0 0 1px rgb(5, 5, 5);
}
#clock #time div span:nth-child(2)
{
    height: 50px;
    font-size: 1em;
    letter-spacing: .2em;
    font-weight: 1000;
    z-index:9;
    box-shadow: none;
    background:rgba(0, 0, 255, 0.199);
    text-transform: uppercase;
}
#clock #time div:last-child span
{
    background:rgba(255, 0, 0, 0.623);
}
#clock #time div:last-child span:nth-child(2)
{
    background:rgba(184, 84, 84, 0.623);
}