@import url ('https://fonts.googleapis.com/css?family=OpenSans:400,500,700&display=swap');
*{margin:0; padding:0; text-decoration: none; font-family: 'OpenSans', sans-serif; font-weight: 400;}

h2  {
    color: black; font-family: 'OpenSans', sans-serif, font-weight: 500; font-size: 3rem;
    display: flex; justify-content: center;
    margin: 0rem; padding: 4rem;}

body {
        background-color: white;}

header {
        background-color: hotpink; 
        height: 12rem;
        margin: 0rem; padding: 0rem;}

main {
        background-color: white;
        margin: 0rem; padding: 1rem 0rem 0rem 0rem;}

section {
        background-color: blueviolet; 
        margin: 0rem 1rem 1rem 1rem; padding: 4rem 2rem 1.5rem 2rem;}

div h2 {
        background-color: yellow; 
        margin: 0 0 1rem 0;}

.principal h2 {
    padding: 15rem 0rem;}
.secundaria {
    display: flex; justify-content: space-between; 
    padding: 0rem;}
.secundaria h2 {
    width: 32%;
    padding: 10rem 0rem;}

aside {
    background-color: orange; 
    margin: 0; padding: 0;}

footer {
    background-color: red; 
    margin: 0; padding: 6rem;}