.sliderwrapper{
position: relative; /*leave as is*/
overflow: hidden; /*leave as is*/
border: 10px solid navy;
border-bottom-width: 6px;
width: 400px; /*width of featured content slider*/
height: 250px;
}



.sliderwrapper .contentdiv{
visibility: hidden; /*leave as is*/
position: absolute; /*leave as is*/
left: 0;  /*leave as is*/
top: 0;  /*leave as is*/
padding: 5px;
background: white;
width: 390px; /*width of content DIVs within slider. Total width should equal slider's inner width (390+5+5=400) */
height: 100%;
}