.imagen {

    transition: .5s ease;
    filter: none; /* IE6-9 */
    -webkit-filter: grayscale(0%); /* Chrome 19+ & Safari 6+ */
  }

  .imagen:hover {

    filter: gray;
    -webkit-filter: grayscale(100%);
  }

  .zoom {
    opacity: 1;
    transition: transform .2s ease;
  
  }
  
  .zoom:hover {
    transform: scale(1.05);
  }

.titulo{
margin-left: 0 !important;
    margin-right: 6px !important;
    margin-bottom: 6px !important;
    width: calc(33.3% - 6px) !important;
    background-color: black;

}
@media (max-width: 800px) and (orientation: portrait){
 .titulo{ width: calc(100% - 6px) !important;}

}

@media screen and (orientation: landscape) and (max-width: 570px){


  .titulo{ width: calc(33.3% - 6px) !important;
    float: left !important;
    font-size: 60%;}

}


  .textos:hover{

opacity: 1 !important;


}
.sombra{

  text-shadow: 1px 1px 2px black !important;
}


.list-numeral li{
  font-size: 100% !important;
}