.act_content ol.sections li:nth-child(1){
	background-image: url('../img/tarea/SB_M_G11_U03_L05tarea-40.png');
	background-position: 50% 50%;
}
.act_content ol.sections li:nth-child(2){
	background-image: url('../img/tarea/SB_M_G11_U03_L05tarea-41.png');
	background-position: 50% 50%;
}
.act_content ol.sections li:nth-child(2) p{
    top: 145px;
    left: 435px;
    font-style: italic;
}