フロートレイアウト

by tea4two

HTML

<div class="container">
  <div class="nav">
    <img src="http://placeimg.com/200/120/animals" alt="">
  </div>
  <div class="content">コンテンツ</div>
</div>

CSS

.container {
  width: 800px;
  border: 2px solid grey;
}

.container:after {
  content: '';
  display: block;
  clear: both;
}

.nav {
  width: 200px;
  height: 200px;
  float: left;
  margin-right: 20px;
  background-color: yellow;
}

.content {
  width: 580px;
  height: 200px;
  float: left;
  background-color: skyblue;
  padding: 20px;
}