:root {
    --corPrincipal: #ffffff;
    --corTexto: #545454;
    --input-color: #e8e8e8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "OpenSans";
}

footer {
    font-family: arial;
    width: 100%;
    height: 100px;
    margin-top: 4rem;

}