.post-it {
    z-index: 4;
    position: absolute;
  }


  .post-it ul li p {
    text-decoration: none;
    color: #000;
    background: #ffc;
    display: block;
    height: 8vh;
    width: 9vw;
    padding: 1vw;
    font-family: "Reenie Beanie";
    -moz-box-shadow: 5px 5px 7px rgba(33, 33, 33, 1);
    -webkit-box-shadow: 5px 5px 7px rgba(33, 33, 33, 0.7);
    box-shadow: 5px 5px 7px rgba(33, 33, 33, 0.7);
    -moz-transition: -moz-transform 0.15s linear;
    -o-transition: -o-transform 0.15s linear;
    -webkit-transition: -webkit-transform 0.15s linear;
    transition: all 0.15s linear;
    animation: post-it 0.3s linear;
    transform: rotate(-6deg);
  }

  @keyframes post-it {
    0% {
      transform: scale(5) rotate(0deg);
      opacity: 0;
    }
    100% {
      transform: scale(1);
      opacity: 1;
    }
  }

  .post-it ul li a {
    font-family: "Gloria Hallelujah", serif;
    font-size: 4.8vh;
    text-decoration: none;
    color: black;
    margin-top: -2vh;
  }
  
  .post-it ul li a {
    transform: rotate(-1deg);
  
    /* transform: rotate(-6deg);
      -webkit-transform: rotate(-6deg);
      -o-transform: rotate(-6deg);
      -moz-transform:rotate(-6deg);*/
  }

  .post-it ul,
li {
  list-style: none;
}

.post-it ul {
  overflow: hidden;
  padding: 0vh;
  max-width: 16vw;
}

ul li {
    margin: 2vh;
    float: left;
  }

  .seleccion {
    position: relative;
    cursor: pointer;
    font-size: 2vw;
    font-weight: bold;
    display: inline-block;
    transition: color 0.3s ease-in-out;
  }
  
  .seleccion:hover {
    color: red;
  }
  
  /* Subrayado animado */
  .seleccion::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 6px;
    background: red;
    transition: width 0.5s ease-out;
    border-radius: 3px;
  }
  
  .seleccion:hover::after {
    width: 100%;
  }