 
 The first two tabs show their content, but the last two don't. I've tried to look at the wiki section on CSS but I haven't figured it out yet. I am pretty sure it's a problem with CSS though. Here's my script if anyone wants to try and see what I've missed. Thanks.  div.sheet-tab1,
div.sheet-tab2,
div.sheet-tab3,
div.sheet-tab4 { display: none; }
input.sheet-tab1:checked ~ div.sheet-tab1,
input.sheet-tab2:checked ~ div.sheet-tab2,
input.sheet-tab3:checked ~ div.sheet-tab3,
input.sheet-tab4:checked ~ div.sheet-tab4 { display: block; }
input.sheet-tab {
    width: 150px;
    height: 20px;
    position: relative;
    top: 5px;
    left: 6px;
    cursor: pointer;
    z-index: 9999;
    opacity: 0;
    display: inline-block;
}
span.sheet-tab {
	display: inline-block;
	margin-left: -150px;
	/*position: relative;*/
	
}
input.sheet-tab + span.sheet-tab {
    /*content: attr(title);*/
    border: solid 1px #a8a8a8;
    border-bottom-color: black;
    text-align: center;
    display: inline-block;
    background: #fff;
    background: linear-gradient(to top, #c8c8c8, #fff, #c8c8c8);
    width: 150px;
    height: 20px;
    font-size: 18px;
    /*position: absolute;*/
    /*top: 12px;
    left: 13px;*/
    display: inline-block;
    
}
input.sheet-tab:checked + span.sheet-tab {
    background: #dcdcdc;
    background: linear-gradient(to top, #fcfcfc, #dcdcdc, #fcfcfc);
    border-bottom-color: #fff;
}
input.sheet-tab:not(:first-child) + span.sheet-tab { border-left: none; }
input.sheet-tab2 + span.sheet-tab
input.sheet-tab2:checked + span.sheet-tab 
input.sheet-tab3 + span.sheet-tab { left: 313px; }
input.sheet-tab4 + span.sheet-tab { left: 463px; }
div.sheet-tab-content {
    border: 1px solid #a8a8a8;
    border-top-color: #000;
    
}
div.sheet-tab2  
 
				
			 
