.yun1 {
    top: 50px;
    left: 0;
    width: 100%;
    height: 230px;
    position: absolute;
    overflow: hidden;
    /*z-index: 100;*/
}
.yun2 {
    top: 600px;
    left: 0;
    width: 100%;
    height: 300px;
    position: absolute;
    overflow: hidden;
    /*z-index: 100;*/
}
.far-clouds {
    background: transparent url("../images/far-clouds.png") 305px 70px repeat-x;
}
.near-clouds {
    background: transparent url("../images/near-clouds.png") 305px 0px repeat-x;
}
.content {
   /* margin-top: 1em;
    margin-bottom: 1em;
    margin-left: 1em;
    margin-right: 1em;
    position: relative;*/
   /* z-index: 101;*/
}

h1 sup {
  font-size: medium;
}