#header{
  position: absolute;
  width: 100%;
  background: #88c9ff;
  height: 52px;
  line-height: 52px;
  text-align: left;
  box-sizing: border-box;
  z-index: 1000;
  margin: 0;
  padding: 0;
  border-radius: 0;
  a {
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    vertical-align: middle;
  }
}