How to make a div fill a remaining horizontal space?

Question

I have 2 divs: one in the left side and one in the right side of my page. The one in the left side has fixed width and I want the one of the right side to f

Answer 1

/* * css */

#search {
 position: absolute;
 width: 100px;
}
.right-wrapper {
  display: table;
  width: 100%;
  padding-left:100px;
}
.right-wrapper #navigation {
 display: table-cell;
 background-color: #A53030;
}

/* * html */