#box {
  position: relative;
  height: 320px;
  width: 400px;
  overflow: hidden;
}

#box1 { position: absolute; }

.top { top: 0px; }

.bottom { bottom: 0px; }

.left { left: 0px; }

.right { right: 0px; }

.content {
  width: 300px;
  height: 120px;
  background: transparent;
  font-size: 50px;
  color: #fff;
  line-height: 120px;
  padding: 0 20px;
}

.toLeft { float: left; }