.wp-editor-tools{ } 
#ngg_options .tabs {
position: relative;   
min-height: 500px; clear: both;
margin: 25px 0;
z-index:1000;
}
#ngg_options .tab {
float: left;
}
.tab label {
background: #eee; 
padding: 10px; 
border: 1px solid #ccc; 
margin-left: -1px; 
position: relative;
left: 1px; 
}
.tab #tab-1, #tab-2, #tab-3[type=radio] {
display: none;   
}
#ngg_options .tabs .tab .content {
position: absolute;
top: 28px;
left: 0;
background: white;
right: 0;
bottom: 0;
padding: 20px;
border: 1px solid #ccc; }
[type=radio]:checked ~ label {
background: white;
border-bottom: 1px solid white;
z-index: 2;
}
[type=radio]:checked ~ label ~ .content {
z-index: 1;
} .button-primary
{ }