.content-contact{

    margin: 200px auto;
}

.content-contact form{
    margin-top: 72px;
}

.content-contact div{
    margin-bottom: 36px;
}

.content-contact input[type=submit] {
    background-color: var(--petrol-op50);
    color: var(--tecxt-color);
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;

    transition: background-color 500ms;
}

.content-contact input[type=submit]:Hover {
    background-color: var(--petrol);
}

.content-contact button:disabled, input[type=submit]:disabled {
    background-color: #cccccc;
}

.content-contact .content-contact-successful{
    margin-top: 72px;
}