#conduccion-title {
  background: var(--amarillo);
  text-transform: uppercase;
  padding: .5rem 1rem;
  border: 2px solid black;
  border-radius: 50vh;
  margin: 2rem 0;
  display: table;
  margin: 2rem auto;
  font-size: 24px;
}

.tablas {
  width: 100%;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  /*background: #ececec;*/
}

#materiales-elegir {
  display: flex;
  background: #fee3ce;
  border: 2px solid black;
  /*padding: 1.5rem;*/
  margin-bottom: 2rem;
}

#materiales-elegir div {
  width: calc(100%/7);
  /*padding: 1px;*/
}

#receptores {
  width: 100%;
  display: flex;
  flex-direction: row;
  margin-bottom: 5rem;
}

#receptores div.receptor {
  border: 2px dashed white;
  border-left: none;
  height: 245px;
  width: calc(100%/7);
  /*position: relative;*/
}

div.receptor-transmision {
  height: 245px;
  width: 100%;
  /*background: white;*/
}

#receptores div.receptor:first-child {
  border-left: 2px dashed white;
}

.resultado { display: none; }

.resultado {
  z-index: 1100;
  text-align: center;
  margin-top: 12px;
}

.resultado img {
  width: 40px;
  height: auto;
}

.conductores {
  display: flex;
  justify-content: space-between;
}

.conductores img {
  max-width: 150px;
  height: 100%;
}

img#pistas { padding-top: 3rem; }

#controlador h3 {
  text-align: center;
}

.modal-content {
  background: var(--rojo);
}

@media screen and (max-width: 600px) {

  /* major layout changes*/

  .centered {
    padding: 0;
  }

  .intro, #materiales-elegir {
    padding: 0 3vw;
  }

  .highlight, .indicaciones{
    width: 94%;
    margin: 1rem auto;
  }

  #conduccion-title {
    font-size: 16px;
  }

  .conductores {
    margin-bottom: 2.5rem;
  }
  /* // major layout changes*/


  #materiales-elegir {
    display: flex;
    flex-wrap: wrap;
    width: 325px;
    height: 421px;
    margin: 0 auto 2rem;
    justify-content: center;
  }

  #materiales-elegir div {
    /*display: inline;*/
    width: 90px;
    height: 137px;
    /*float: left;*/    
  }

  #receptores {
    margin-bottom: 2rem;    
    /*background: rgba(0,0,0,.2);*/
    padding: 2px;
  }

  #receptores div.receptor {
    height: 81px;
    border: 1px dashed white;
  }
  
  #receptores div.receptor:first-child {
    border-left: 1px dashed white;
  }
  
  div.receptor-transmision {
    height: 97px;
    padding: 8px;
  }  
  
  .conductores img {
    max-width: 75px;
  }
  
  .dropped {
    /*border: 1px solid white;*/
    padding: 21px 20px 0px;    
    transition: all .2s ease-in-out;
  }
  .ui-draggable-dragging {
    /*width: 48px !important;*/
  }
}