.site-content .widget-area {
    width: 300px;
    float: right;
    padding: 4rem;
    border: 1px solid #000000;
}

.site-footer {
    clear: both;
    width: 100%;
}

.entry-header,
.entry-content,
.entry-meta,
.entry-footer,
.tag-links,
.post-navigation,
.comments-area,
.paging-navigation {
    position: relative;
    max-width: 780px;
    max-width: 78rem;
    padding: 0 4rem;
    margin: 0 auto;
}

@media screen and (min-width: 1540px) {
    .content-area {
        width: 100%;
        float: right;
        margin-left: -300px;
        padding-left: 300px;
    }
}

@media screen and (min-width: 1160px) and (max-width: 1539px) {
    .content-area {
        width: 100%;
        float: right;
        margin-left: -300px;
        padding-left: 300px;
    }

    .entry-header,
    .entry-content,
    .entry-meta,
    .entry-footer,
    .tag-links,
    .post-navigation,
    .comments-area,
    .paging-navigation {
        margin-left: 0;
    }
}

@media screen and (max-width: 767px) {
    .site-content .widget-area {
        width: auto;
        max-width: 780px;
        float: none;
        margin: 1em auto 0;
        clear: both;
    }
}