Its not working

CSS

---------------------------------------------------

.screen-layout-header_left > .screen-layout-region-main-sidebar1> #sidebar-collapse-left
{
width: 5px;
}

JS

-----------------------

function applyCSS1(){
var obj1 = $(".screen-layout-region.screen-layout-region-main.screen-layout-region-main-sidebar1.screen-layout-region-resize");

if(obj1.height() > 0)
{
obj1.find(".screen-layout-region-content").css({"height":obj1.height()+"px"});
}
}
$(document).ready(applyCSS1);
$(window).resize(applyCSS1);