.gge_contenido_S .act_content{
    background-image: url("../img/tarea/SB_S_G10_U04_L01_(QCT_JuanFM)_26-Jun-2015-47.png") ;
    background-position: 50% 70%;
    background-repeat: no-repeat;
}
.gge_contenido_S .act_content p:nth-child(2){
  top: 220px;
  left: 480px;
}