body, html{
    margin: 0;
    padding: 0;
    font-size: 10px;
    font-family: Helvetica, Arial, Geneva, sans-serif;
}

header{
    max-width: 1000px;
    text-align: center;
    display: inline-block;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 4em auto;
    border: 2px solid #bdbdbd;
    border-radius: 0.8em;
    font-size: 3em;
}


article{
    max-width: 1000px;
    margin: 4em auto 6em auto;
    text-align: center;
}

h1{
    margin: 3em auto;
    font-size: 5em;
    color: red;
}

section{
    font-size: 2.5em;
}