aside > nav > ul > li > a.active {
    background: azure;
}

aside > nav > ul > li > a.active::before {
    content: "\00a0";
}

aside > nav {
    width: 100%;
}

aside > nav > ul {
    width: 100%;
}

article.primary-content {
    margin-top: 30px;
    min-height: 150px;
}