<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
body {
text-align: center;
}
#container {
height: 80px;
border: 1px solid #000;
font-size: 20px;
font-weight: bold;
color: #fff;
}
#left {
float: left;
width: 200px;
height: 100%;
background-color: #17ad37;
}
#right {
width: 100%;
height: 100%;
background-color: #969696;
}
</style>
</head>
<body>
<div id="container">
<div id="left">
div 1
</div>
<div id="right">
div 2
</div>