.affix {
  position: relative;
  background-color: #fff;
}
.affix-affix {
    display: inline-block;
    color: #fff;
    padding: 10px 30px;
    text-align: center;
    background: rgba(0, 153, 229, 0.9);
}
.affix-line {
    height: 100px;
}