.mainBox {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.samplez {
    text-align: left;
    float: left;
    width: 29%;
    border-right: 1px groove #aaaaaa;
    padding-right: 5%;
}

.comment {
    text-align: left;
    float: left;
    width: 60%;
    margin-left: 5%;
}
.comment h2{
    margin-bottom: 3em;
}

.copyright {
    clear : both;
}

dt {
    font-weight: bold;
}

hr {
    border-style: groove none none none;
}