html{
    box-sizing: border-box;
    margin: auto;
    padding: 20px;
    border:  4px inset rgb(0, 0, 0);
    height: auto;
    max-width: 1500px;
}
body {
    background-color: rgb(243, 126, 126);
}
h1 {
    color: rgb(104, 20, 240);
    font-family: sans-serif;
}
form {
    background-color: aqua;
}