* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
}
body{
    background-color: limegreen;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    padding: 10px;
    color: darkcyan;
}
video {
    width: 80%;
    aspect-ratio: 11/9;
}

form {
    padding: 5px;
    border: 1px solid indigo;
    border-radius: 5px;
    background-color: pink;
    width: 260px;

    position: relative;
    margin: 0 auto;

}

input, textarea {
    display: block;
    margin-bottom: 10px;
    width: 200px;
    padding: 2px;
    border: 2px dashed lightsalmon;
    border-radius: 5px;
}

#send {
    background-color: orange;
    cursor: pointer;
    border: 2px solid blueviolet;
    color: chocolate;
}
#send:hover {
    background-color: cornflowerblue;
}