main {
    max-width: 600px;
    min-height: 300px;
    margin: 20px auto;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

section h3{
    color: var(--color-principal);
    font-size: 2rem;    
    text-align: center;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--color-principal);
}

input, textarea{
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    box-sizing: border-box;
    border: 1px solid var(--color-principal);
    border-radius: 4px;
}

textarea {
    height: 100px;
    resize: vertical;
}

button {
    font-size: 1rem;
    display: block;
    width: 100%;
    padding: 10px;
    background-color: var(--color-principal);
    color: var(--color-fondo);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: var(--color-secundario);
}

@media(max-width: 650px){
    main{
        box-shadow: none;
    }
}