Top Border Proof

This shows how to make the top border appear to be solid all of the way across.

HTML

<div class="test">
   
</div>

CSS

div{
    background-color : grey;
height :200px;
}

.test {
    border-width:258px 1px 1px;
    border-color: yellow #ccc #ccc;
    border-style:solid;
    padding: 10px;
  
}