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
    }
.center {
    text-align: center
    }
.right {
    text-align: right
    }
.poetry-container {
    text-align: center
    }
.poetry {
    display: inline-block;
    text-align: left
    }
.contents {
    text-align: center;
    border: 2px solid;
    border-collapse: collapse;
    margin-left: auto;
    margin-right: auto
    }
.contents td {
    border: 2px solid;
    padding: 0.75em
    }