* {
    margin: 0;
    padding: 0;
}

html {
    display: block
}

header {
    padding: 3rem;
    background: #7cc174;
    font-family: Arial;
    font-size: 4rem;
    color: aliceblue;
    text-align: center;
}

.contenedor {
    max-width: 80rem; margin: auto;
}

main {
    display: flex;
    border: 4px solid #8914ef;
    height: 35rem;
    box-sizing: border-box
}

section {
    background: #41d7f2;
    padding-top: 2rem;
    display: flex;
    flex-flow: row wrap;
    justify-content:space-around;
    font-family: Arial;
    color: aliceblue;
    text-align: center;
    width: 60%;
    margin: 0.3rem 0.3rem 0.3rem 0rem;
    
}

article {
    background: #efb515;
    margin: 0.5rem;
    padding: 6rem;
    font-family: Arial;
    color: aliceblue;
    text-align: center;
    
}

aside {
    background: #adb1b2;
    font-family: Arial;
    font-size: 4rem;
    color: aliceblue;
    text-align: center; 
    width: 40%;
    margin: 0.3rem 0.3rem 0.3rem 0rem;
}

footer {
    background: #7cc174;
    font-family: Arial;
    font-size: 4rem;
    color: aliceblue;
    text-align: center;
    height: 5rem;
}
}