body {
    background-image: linear-gradient(cadetblue, darkslategray);
    background-repeat: no-repeat;
    background-size: 100% 1000%;
    
}
h1, h2, h3, h4, h5, h6 {
    color: white;
    text-shadow: 2px 2px 2px rgba(0,0,0,0.5);
    text-align: center;
}
form {
    align-content: center;
    text-align: center;
    background-image: linear-gradient(skyblue, steelblue);
    margin: 10px 10px;
    padding: 10px 10px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
    box-shadow: 2px 2px 10px rgba(0,0,0,0.5);
    border-radius: 25px;
    font-family: sans-serif;
    font-size: large;
    font-weight: bold;
}