.horizontal_layout {
    position: relative;
    width: auto;
    overflow: hidden;
}

.horizontal_layout > .west_container {
    position: absolute;
    left: 0;
    display: inline-block;
}

.horizontal_layout > .center_container {
    position: absolute;
    overflow: auto;
}

.horizontal_layout > .east_container {
    position: absolute;
    display: inline-block;
}

Add default styled horizontal layout style
Add default styled horizontal layout style
