style sidebar float right width 200 page margin-right 200 clearer clea

<style>

.sidebar {
 float: right;
 width: 200;
}

.page {
 margin-right: 200;
}

.clearer {
 clear: both;
}
</style>

<div class="main">
  <div class="sidebar">трям-пам-пам</div>
  <div class="page">
    угум
    <div class="clearer"></div>
    пурум
  </div>
</div>