* {
    margin: 0%;
}

body {
    background-image: url(../img/cbg.jpg);
    background-size: cover;
    background-position: center;
    box-sizing: border-box;
}

h1 {
    text-align: center;
    color: black;
    font-size: 5PC;
}
.CS{

    color: lightseagreen;
    font-size: 250%;
    text-align: center;
}

.navbar {
    overflow: hidden;
    background-color: #333;
}

.navbar a {
    float: right;
    font-size: 16px;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.home a {
    float: left;
    font-size: 16px;
    color: white;
    text-align: right;
    padding: 14px 16px;
    text-decoration: none;
}

.dropdown {
    float: left;
    overflow: hidden;
}

.dropdown .dropbtn {
    font-size: 16px;
    border: none;
    outline: none;
    color: white;
    padding: 14px 16px;
    background-color: inherit;
    font-family: inherit;
    margin: 0;
}

.navbar a:hover,
.dropdown:hover .dropbtn {
    background-color: black;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: skyblue;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-content a {
    float: none;
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: lightgreen;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.videos {
    color: black;
    text-align: center;
    border: solid black;
    width: 200px;
    height: 500px;
    background-color: transparent;
    margin: 25px;
    margin-left: 100px;
}

.videos ul {
    overflow: hidden;
}

.videos ul li a {
    text-decoration: none;
    color: white;
}

.videos ul li {
    text-align: left;
    padding-top: 10px;
}

.video {
    color: black;
    text-align: center;
    border: solid black;
    width: 200px;
    height: 500px;
    background-color: transparent;
    margin-left: 500px;
    margin-top: -529px;
}

.video ul {
    overflow: hidden;
}

.video ul li a {
    text-decoration: none;
    color: white;
}

.video ul li {
    text-align: left;
    padding-top: 10px;
}

.js {
    color: black;
    text-align: center;
    border: solid black;
    width: 200px;
    height: 503px;
    background-color: transparent;
    margin-left: 900px;
    margin-top: -505px;
}

.js ul {
    overflow: hidden;
}

.js ul li a {
    text-decoration: none;
    color: white;
}

.js ul li {
    text-align: left;
    padding-top: 10px;
}

@media only screen and (max-width: 600px) {
    .navbar {
        width: 100%;
    }
    h1 {
        text-align: center;
        color: green;
        font-size: 150%;
    }
    .CS{

        color:black;
        text-align: center;
        font-size: 120%;
    }
    .videos {
        color: gold;
        text-align: center;
        border: solid black;
        width: 270px;
        height: 350px;
        background-color: transparent;
        margin: 15%;
    }
    .video {
        color: purple;
        text-align: center;
        border: solid black;
        width: 270px;
        height: 350px;
        background-color: transparent;
        margin-left: 15%;
        margin-top: 5%;
    }
    .video ul li a {
        text-decoration: none;
        color: black;
    }
    .js {
        color: white;
        border: solid black;
        width: 270px;
        margin-left: 15%;
        margin-top: 7%;
    }
}