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

body {
    background: url(https://images.rawpixel.com/image_800/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvcm0yMDktYWRqLTEyXzEuanBn.jpg);
}

:root {
    --main_color: navy;
    --secondary_color : purple ;
}

.part1 {
    padding-top: 50px;
    text-align: center;
    color: white;
    padding: 20px;
    width: 100%;
    
}

.part1 a {
    display: inline-block;
    text-decoration: none;
    color: rgb(0, 0, 0);
    text-decoration: none;
}


.part2 {
    padding-top: 50px;
    text-align: center;
    background-color: rgb(0, 0, 0);
    color: aliceblue;
    padding: 20px;
}

.part2 img {
    width: 100%;
}

.planet_1 {
    display: flex;

    .planet_img {
        width: 40%;
    }

    .planet_info {
        width: 60%;

        h1 {
            font-size: 4em;
            padding-top: 8vh;
            color: white;
        }

        .div {
            text-align: justify;
            color: white;
            border: 100px;
            padding: 50px;
            font-weight: bold;
            font-size: larger;
        }
    }
}


.part3 {
    padding-top: 50px;
    text-align: center;
    background-color: rgb(19, 19, 133);
    color: aliceblue;
    padding: 20px;
    width: 101.4%;
    height: 60px;
    padding-bottom: 0px;
}

.logo2 {
    width: 100px;
    height: 100px;           
    display: inline-block;
    border-radius: 50px;

}

img {
    width: 100%;
}

hr {
    margin:7vh 0 ;
}

.planet_4{
    display: flex;

    .planet_img {
        width: 40%;
    }

    .planet_info {
        width: 60%;

        h1 {
            font-size: 4em;
            padding-top: 8vh;
        }

        .div {
            text-align: justify;
            color: white;
            border: 100px;
            padding: 50px;
            margin-bottom: 8%;
            font-weight: bold;
            font-size: larger;
        }
    }
}

video{
    width: 100%;
    height: auto;
    
}

/* Basic styling */
body {
}

.dropdown-section {
    width: 300px;
}

.dropdown-btn {
    background-color: #4CAF50;
    color: white;
    padding: 14px;
    width: 100%;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 18px;
    outline: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-btn:hover {
    background-color: #45a049;
}

.arrow {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.dropdown-content {
    max-height: 0;
    overflow: auto;
    background-color: #000000;
    padding: 0 18px;
    opacity: 0;
}

.dropdown-content p {
    margin: 15px 0;
}

/* Animation for showing the content */
.dropdown-section.active .dropdown-content {
    max-height: 500px;
    opacity: 1;
}

.dropdown-section.active .arrow {
    transform: rotate(180deg);
    /* Rotate arrow */
}

body {
    background-color: black;
    color: rgb(255, 255, 255);
    margin: 0;
    padding: 0;
}

h1 {
    text-align: center;
}