style.css

/* Importing google fonts */
@import url('https://fonts.googleapis.com/css2?family=Ubuntu&display=swap');

*{
    padding: 0;
    margin: 0;
}

body{
    background: #272c33;
}

.container{
    max-width: 1200px;
    margin: 20px auto;
    padding: 30px;
}

#heading{
    text-align: center;
    color: aqua;
    font-family: 'Ubuntu', sans-serif;
    font-size: 68px;
}

.clock-box{
    height: 250px;
    width: 500px;
    margin: 110px auto;
    background: #3f4652;
    box-shadow: 0px 0px 20px 10px rgba(0, 0, 0, 0.315);
    color: aqua;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.dateDay{
    display: flex;
    justify-content: space-between;
    margin: 1px 15px;
}

#date{
    margin-top: 7px;
    font-family: 'Ubuntu', sans-serif;
}

#day{
    margin-top: 7px;
    font-family: 'Ubuntu', sans-serif;
}

#time{
    margin:  auto;
    font-size: 62px;
    font-family: 'Ubuntu', sans-serif;
}

h3{
    text-align: center;
    
    color: rgba(0, 255, 255, 0.7);
    font-family: 'Ubuntu', sans-serif;
}

h3 a{
    color: aqua;
}