* {
    margin: 0;
    padding: 0;
}


body {
    background-image: linear-gradient(to bottom, var(--main-blue), var(--aqua));
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
}



form {
    background-color: white;
    margin-top: 12em;
    height: 25em;
    width: 15em;
    padding: 0.3em;
    border-radius: 3px;
}

form div {
    padding: 5px;
}

div#btn-div {
    display: flex;
    justify-content: center;
}

form button {
    background-color: white;
    padding: 5px;
    border: 1px solid black;
    margin: 3px;
    cursor: pointer;
}

form button:hover {
    background-color: var(--main-blue);
    color: white;
    transition: 0.3s;
}