.sidebar-main-box {
    float: left;
    width: 70%;
}

.right-widget {
    float: left;
    width: 30%;
}
.left-widget {
    float: left;
    width: 30%;
}
.widget li.cat-item {
    margin-bottom: 8px;
}

section.section-left-widget {
    width: 70%;
    float: left;
}

section.section-right-widget {
    width: 70%;
    float: left;
}