.start-hidden {
  opacity: 0;
   transition: 0.5s
}
* {
  padding: 0px;
   margin: 0px
}
section {
   background: #ccc;
   overflow: hidden;
   position: relative;
   background-size: cover;
   font-family: 'Arial';
   width: 400px;
   height: 800px;
   margin: auto;
   border-radius: 20px;
   box-sizing: border-box;
}
h2 {
   text-align: center;
   color: #fff;
   font-size: 2em;
   font-weight: bold;
   position: absolute;
   z-index: 2;
   top: 120px;
   left: 0px;
   width: 100%;
  font-family: "Caprasimo", serif;
  font-weight: 400;
  font-style: normal;
}
.twentytwenty-container {
   width: 100%;
}
.logotipo {
  display: block;
   width: 150px;
   position: absolute;
   top: 30px;
   left: calc(50% - 75px);
   z-index: 2;
}
@keyframes zigzag {
   0% {
       margin-left: 30px;
  }
   25% {
       margin-left: 50px;
  }
   50% {
       margin-left: 30px;
  }
   75% {
       margin-left: 50px;
  }
   100% {
       margin-left: 30px;
  }
}
.deslize {
  display: block;
   position: absolute;
   bottom: 40px;
   left: calc(50% - 75px);
   width: 150px;
   font-weight: bold;
   font-size: 0.8em;
   text-align: center;
   color: #000;
}
.deslize img {
  display: block;
   width: 50px;
   margin: auto;
   margin-bottom: 10px;
   animation: zigzag 2s infinite alternate;
}
.btn {
   display: block;
   position: absolute;
   bottom:50px;
   width: 180px;
   height: 50px;
   line-height: 50px;
   background: #5d0210;
   color: #fff;
   font-size: 17px;
  font-family: "Caprasimo", serif;
  font-weight: 400;
  font-style: normal;
  text-align: center;
  left: calc(50% - 90px);
  text-decoration: none;
  border-radius: 10px;
}
.btn:hover {
   background: #bb132d;
}