.tarea {
    background-image: url(../img/S_G06_U04_L01_05/tarea-01.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 1247px;
    height: 678px;
    position: absolute;
    top: 0%;
    left: 0%;
}

.tarea2 {
    background-image: url(../img/S_G06_U04_L01_05/tarea2-01.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 1247px;
    height: 678px;
    position: absolute;
    top: 0%;
    left: 0%;
}

.tarea3 {
    background-image: url(../img/S_G06_U04_L01_05/tarea3-01.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 1247px;
    height: 678px;
    position: absolute;
    top: 0%;
    left: 0%;
}

.siguiente {
    width: 65px;
    height: 65px;
    position: absolute;
    left: 92.1%;
    top: 48.5%;
}

.pista1 {
    background-image: url(../img/S_G06_U04_L01_05/imgT-ilus1-01.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 281.4px;
    height: 348.89px;
    position: absolute;
    top: 21%;
    left: 11%;
}
.pista {
      width: 245.4px;
  height: 74.89px;
  position: absolute;
  top: 78.5%;
  left: 11.3%;
}