body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 20px;
    margin: 20px;
}

@media (min-width: 600px) {
    body {
        margin: 40px;
    }
}

@media (min-width: 900px) {
    body {
        margin: 50px 10%;
    }
}

    h4 {
        background-color: blue;
        color: white;
        display: inline;
        text-align: center;
    }

    #firstParagraph {
        border: 2px solid maroon;
    }

    #linkSumber:hover {
        color: red;
    }


    th,
    td {
        padding: 5px;
        font-weight: bold;
        color: red;
    }

    #judul {
        color: blueviolet;
        text-align: center;
    }

    #judul h3 {
        margin: 10px 0;
    }

    #textHijau {
        background-color: lime;
    }

    #textMerah {
        background-color: red;
        font-weight: bold;
    }

    #textUngu {
        background-color: blueviolet;
        font-weight: bold;
    }

    #textBiru {
        background-color: blue;
        color: white;
        font-weight: bold;
    }