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


.contenedor {max-width: 800px; margin: auto; color:white; font-family: sans-serif;}


header {width: 100%; background-color: #3dbc3d; text-align: center; padding-bottom: 2rem; padding-top: 2rem;}
header p {font-size: 2.5rem;}


main {display: flex; justify-content: space-between; max-height: 500px; border-style: solid; border-color: mediumpurple;}


section {width: 70%; background-color: #00e0e0; text-align: center; padding-bottom: 0.75rem; padding-right: 0.4rem; padding-left: 0.4rem; margin: 0.2rem 0.15rem 0.1rem 0rem;}
section p {font-size: 2rem;}
section article {background-color:orange; width: 33.33%; height: 175px; margin: 0.35rem 0.25rem 0.35rem 0.25rem;}
section article p {text-align: center; margin: 4rem 1rem 1rem 1rem;}
.article1 {display:flex; justify-content:space-around; align-items: flex-start; align-content: center;}
.article2 {display:flex; justify-content:space-around; align-items: flex-end; text-align: center;}


aside {width: 30%; background-color: lightgrey; text-align: center; margin: 0.2rem 0rem 0.1rem 0.15rem;}
aside p {font-size: 2rem;}


footer {width: 100%; background-color: #3dbc3d; text-align: center; padding-bottom: 2rem; padding-top: 2rem;}
footer p {font-size: 2.5rem;}