nav li a:hover {
background: #f7f7f7;
color: #3bbdfb;
padding-bottom: 26px;
border-bottom: 4px solid #bab7b7;
border-top: 4px solid #bab7b7;
}<body class="your-class-enabled">
...
<div class="your-class">...</div>
<div class="your-class">...</div>
...
</body>.your-class {
...
}.your-class-enabled .your-class {
...
}