*{ box-sizing: border-box; margin: 0; padding: 0; justify-content: centro; }

.contenedor{ width: 100rem; text-align: center; margin:auto;}

h2, h1 {font-family: sans-serif; color: black; font-size: 1.5rem;  }

header {background: #77d367; height: 15rem; width: 100%; }

nav { background: #F579E6; height: 3rem; width: 100%; }



main { background: #aa97eb; height: 62rem; width: 100%; }

section { background: #56d7ef; display: flex; justify-content: space-around; }

section h2 {text-align: center; }

section article{ background: #D6A129; height: 30rem; width: 50%; margin: 4rem 2rem 2rem 2rem; }

aside{ background: #b7b7b7; display: flex; justify-content: space-between; }

.article1{ background: #D6A129; height: 17rem; width: 70%; margin: 3rem 2rem 3rem 2rem; }

.article2{ background: #D6A129; height: 17rem; width: 30%; margin: 3rem 2rem 3rem 2rem; }



footer {background: #77d367; height: 10rem; width: 100%; }