body {
  background-color: grey;
}

#página{
  column-count: 2;
  column-gap: 150px;
  text-align: left;
  width: 1300px;
  margin: auto;}

#left{
  width: 500px;  /*Ancho cholumna*/
  background-color: grey;
  float:left;
}

#right{
  margin-left: 650px; /*Margen*/
  background-color: grey;
}

#imagesrc {
  border-bottom: 35px solid black;
  border-top: 15px solid black;
  margin-top: 50px;
  margin-left: 100px;
  border-image: url('woodh.jpg') 25% repeat;
}

#easer:before {
  content: "";
  width: 50px;
  height: 50px;
  background: #bdbdbd;
  position: absolute;
  left: 23%;
  margin: auto;
  transform: perspective(100px) translateX(-50%) rotateX(30deg) skewX(10deg);
  background-image: url('woodv.jpg') 25% repeat;
}

#display {
  border-bottom: 35px solid black;
  border-top: 15px solid black;
  margin-top: 50px;
  border-image: url('woodh.jpg') 25% repeat;
}

#easer1:before {
  content: "";
  width: 50px;
  height: 50px;
  background: #bdbdbd;
  position: absolute;
  right: 30%;
  margin: auto;
  transform: perspective(100px) translateX(-50%) rotateX(30deg) skewX(10deg);
  background-image: url('woodv.jpg') 25% repeat;
}

.note {
  display: inline-block;
  margin: auto;
  margin-left: 140px;
  text-decoration: none;
  text-align: center;
  color: #000;
  background: #ffc;
  height: 100px;;
  width: 230px;
  padding: 1em;
  -webkit-box-shadow: 11px 10px 5px 0px rgba(0,0,0,0.75);
  -moz-box-shadow: 11px 10px 5px 0px rgba(0,0,0,0.75);
  box-shadow: 11px 10px 5px 0px rgba(0,0,0,0.75);
}

.explanation {
  font-family: georgia, arial;
  text-decoration: underline;
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 10px;
  border-radius: 5px;
  background: #FF96AB;
  outline: none;
  opacity: 0.7;
  -webkit-transition: .2s;
  transition: opacity .2s;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #B36978;
  cursor: pointer;
}

#gray {
  margin:auto;
  margin-left: 550px;
  height: 25px;
  width: 260px;
  background-color: #eeddd2;
  font-weight: bold;
  border-radius: 15px;
  font-family: georgia, arial;
  font-size: 15px;
}

#gray:hover {
  background-color: #dbbba6;
}