body {
    margin: 10%;
    text-align: justify
    }
h1 {
    text-align: center
    }
h2 {
    text-align: center
    }
h3 {
    text-align: center
    }
h4 {
    text-align: center
    }
h5 {
    text-align: center
    }
div.margin-sides10 {
    margin-left: 10%;
    margin-right: 10%
    }
div.poetry-container {
    text-align: center
    }
div.poetry {
    display: inline-block;
    text-align: left
    }
div.multi-img-container {
    display: flex
    }
div.justify-center {
    display: flex;
    justify-content: center
    }
div.margin-sides10 {
    margin-left: 10%;
    margin-right: 10%
    }