body {
    font: 12px Arial;
    margin: 0;
    display: flex;
    justify-content: center;
    background-color: #d8ddd6;
    color: white;
}
.container {
    width: 800px;
    margin-top: 20px;
}
select { width: 250px; }
hr { border-top: 1px solid; }
.ah, .oh {
    width: 250px;
    padding: 0 17px 0 0;
    vertical-align: top;
}
p { text-align: justify; }
ul {
    list-style: none;
    padding: 0;
    text-align: justify;
}
table { width: 100%; }