SOURCE

<div id="header">
  <div class="logo">logo</div>
  <div class="username">username</div>
</div>
<div id="wrapper">
  <div class="aside">aside</div>
  <div class="content">content</div>
  
</div>
<div id="footer">footer</div>

#header{
  border:1px solid lightgreen;
  padding:10px;
  position:relative;
}
.logo{
  border:1px solid pink;
  width:50px;
  height:50px;

}
.username{
  width:200px;
  border:1px solid black;
  position:absolute;
  right:10px;
  bottom:10px
}
.content{
  border:1px solid purple;
  overflow:hidden;
  height:150px;
  //margin:10px 210px 10px 0;
}
.aside{
  border:1px solid red;
  float:right;
  width:200px;
  margin-left:10px

}
#wrapper{
  margin:10px 0 10px 0 
}
#footer{
  border:1px solid black
}