* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header {
    background-color: greenyellow;
    height: 8em;
    display: flex;
    flex-direction: row;
    align-items: center;
}

img {
    max-width: 10em;
}

h2 {
    text-align: center;
    color: black;
    font-family: Arial, Helvetica, sans-serif;
}

#day {
    margin-right: 10px;
}

#ampm {
    margin-left: 10px;
}

main {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url(../images/clockface.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    background-color: black;
}

.digitalclock {
    display: flex;
    gap: 5px;
    font-size: 300%;
    color: greenyellow;
}

footer {
    background-color: greenyellow;
    text-align: center;
    padding: 1em;
}

@media only screen and (max-width: 767px) {
   header {
    height: 6em;
   }
   
    main {
        background-image: url(../images/clockface2.png);
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
        background-color: black;
    }

    .digitalclock {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        font-size: 300%;
        color: greenyellow;
    }

    #day {
        margin-bottom: 10px;
    }

    #c1,
    #c2 {
        display: none;
    }

    #ampm {
        margin-top: 10px;
    }

    #hour,
    #min {
        border-bottom: 1px solid white;
    }




}