body{
    background-image: url(https://c4.wallpaperflare.com/wallpaper/297/22/531/lake-blue-moonlight-moon-wallpaper-preview.jpg);
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    float: none;
    object-fit: contain;
    object-position: 100% 100%;
    margin: 0;
    padding: 0;
}


#heading{
    display: block;
    margin: 0 auto;
    padding: 5vh 20vh;
    text-align: center;
    color: #dd1c1c;
    font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    text-decoration: underline dashed #f7f4f4 ;
}

#sp{
    display: block;
    margin-left: 550px;
    margin-right: 300px;
    margin-top: 40px;
    margin-bottom: 50px;
    padding-left: 10px;
    padding-right: 10px     ;
    color: white;
    text-align: center;
    font-style:oblique;
    font-size: larger;
    height: fit-content;
    width: fit-content;
    animation-name: span;
    animation-duration: 4s;
    animation-iteration-count: infinite;
}

@keyframes span{
    0% {
        background-color: red;
    }
    25% {
        background-color: indigo;
    }
    50% {
        background-color: violet;
    }
    100%{
        background-color: grey;
    }
}

#container{
    display: flex;
    text-align: center;
    justify-content: center;
    flex-direction: column; 
    margin-left: 500px;
    margin-right: 500px;
    padding-top: 20px;
    padding-bottom: 20px;
    outline-style: ridge;
    outline-width: 5px;
    outline-color: wheat;
    font-size: 20px;
}

@media only screen and (max-width: 1200px){
    body {
        background-position: top; 
    }

    #container{
        margin-left: 200px;
        margin-right: 200px;
        padding-top: 15px;
        padding-bottom: 15px;
        font-size: 16px
    }

    #heading {
        padding: 8vh 16vh;
    }
}
    
@media only screen and (max-width: 480px) {
    body {
        background-size: contain; 
        background-position: center top;
    }

    #container {
        margin-left: 20px;
        margin-right: 20px;
        padding-top: 5px;
        padding-bottom: 5px;
        font-size: 14px;
    }

    #heading {
        padding: 4vh 8vh;
        font-size: 1.2rem;
    }
}