Untitled

<div class="header">

  <div class="wrapper">

    <div class="logo">

      LOGO

    </div>

  <div class="description">

    MY SITE

    </div>

    <div class="search">

      SEARCH

    </div>

  </div>

</div>

.header {

  border: 1px solid #000;

}

.wrapper {

  width: 500px;

  margin: 0 auto;

  border: 1px solid green;

  position: relative;

  height: 60px;

}

.logo {

  position: absolute;

  left: 10px;

  top: 10px;

  width: 50px;

  border: 1px solid navy;

}

.description {

  position: absolute;

  left: 200px;

  top: 10px;

  border: 1px solid red;

}

.search {

  position: absolute;

  right: 10px;

  top: 10px;

  border: 1px solid yellow;

}