LVErmW

index.html

<div class="demo">
  <div class="core">
    <div class="core-wrap">
      <div class="nav">Nav</div>
      <div class="ads-wrap">
        <div class="ads">Ads</div>
        <div class="main">Main</div>
      </div>
      <div class="conve">Conve</div>
    </div>
  </div>
<div class="side">Side</div>
</div>

LVErmW.markdown

LVErmW

A Pen by 小胡子哥 on CodePen.

License.

style.css

div {
  border: 1px solid #666;
  padding： 20px;
  text-align: center;
  line-height: 100px;
  margin: 2px;
  font-size: 20px;
}
.demo {
  width: 990px;
  margin: 0 auto;
}
.nav {
  background: #324522;
  color: white;
}
.core {
  float: left;
  width: 100%;
}
.core-wrap {
  margin: 0 0 0 210px;
}
.side {
  float: left;
  width: 200px;
  margin-left: -100%;
  height: 408px;
  line-height: 408px;
  background: orange;
  color: white;
}
.ads-wrap {
  width: 100%;
  float: left;
}
.ads {
  margin-right: 260px;
  height: 295px;
  line-height: 295px;
  background: yellow;
}
.conve {
  float: left;
  width: 250px;
  margin-left: -260px;
  height: 500px;
  line-height: 500px;
  background: green;
  color: white;
}
.main {
  background: #999;
  color: white;
  clear: left;
  width: 720px;
  float: left;
  margin-left: -210px;
  height: 200px;
  line-height: 200px;
}