Hide scrollable content behind transparent fixed position divs when scrolling the page?

Question

I have a div called header that is set up with a fixed position. The problem is when I scroll the page the content of the page shows up behind the header (the header is tran

Answer 1

The header's z-index is set to 1000, so the z-index of the container would have to be 1001 if you want it to stack on top of the header. https://codepen.io/richiegarcia/pen/OJypzrL

#header {
    margin:0 auto;
    position: fixed;
    width:100%;
    z-index:1000;
}
#topmenu {
    background-color:#0000FF;
    height:24px;
    filter: alpha(opacity=50);
    opacity: 0.5;
}

#leftlinks {
    padding: 4px;
    padding-left: 10px;
    float: left;
}

#rightlinks {
    padding: 4px;
    padding-right: 10px;
    float: right;
}

#containerfixedtop {
    width: 100%;
    height: 20px;
}

#contentfixedtop {
    margin: 0 auto;
    background-color: #DAA520;
    width: 960px;
    height:20px;
}

#container {
    position: relative;
    top: 68px;
    width: 100%;
    height: 2000px;
    overflow: auto;
    z-index:1001;
}

#content {
    margin: 0 auto;
    background-color: #DAA520;
    width: 960px;
    height: 2000px;
}