form {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

form textarea {
    height: 300px;
}

form button {
    grid-column: 1 / -1;
    /* background: linear-gradient(to top, #afa 12px, #dfd 12px); */
    background: linear-gradient(to top, #ccc, #eee);
    font-family: inherit;
    font-size: inherit;
    border: none;
    border-radius: 10px;
    transition: 0.7s;
    cursor: pointer;
    padding: 5px 0;
}

form button:hover {
    transform: scale(1.05);
    filter: brightness(0.95);
}

@media screen and (min-width:756px) {
    form {
        display: grid;
        grid-template-columns: auto 1fr;
    }
}