message: docs: Update Vue School banner
diff: <img src="/images/vueschool/vs-backpack.png" alt="Backpack">
  </div>
  <div class="vs-slogan">
  - 3-months Vue School for only $49 <span style="text-decoration: line-through">$75</span>!
  - <span class="vs-slogan-light">
  - Limited Time Offer
  - </span>
  + Less than <span class="vs-slogan-light">48 hours</span> left for the Vue School offer
  </div>
  <div class="vs-button">
  GET ACCESS
  @media (min-width: 680px) {
  #vs .vs-iso {
  - left: 40px;
  height: 40px;
  display: inline-block;
  }
  #vs .vs-core .vs-backpack {
  margin-right: 14px;
  + position: absolute;
  }
  #vs .vs-core .vs-backpack img {
  }
  @media (min-width: 680px) {
  + #vs .vs-core .vs-backpack {
  + position: static;
  + }
  +
  #vs .vs-core .vs-backpack img {
  height: 74px;
  }
  color: #FFF;
  font-weight: bold;
  font-size: 14px;
  - margin-right: 26px;
  + text-align: center;
  + padding: 0 90px;
  }
  @media (min-width: 680px) {
  #vs .vs-core .vs-slogan {
  + padding: 0;
  + text-align: left;
  + margin-right: 26px;
  margin-right: 0;
  font-size: 18px;
  }
  #vs .vs-core .vs-slogan > .vs-slogan-light {
  color: #ff5338;
  - display: block;
  text-align: left;
  }
  }
  #vs .vs-core .vs-button {
  - margin-left: 43px;
  + margin-left: 13px;
  color: #fff;
  padding: 13px 24px;
  border-radius: 40px;
  