.principal{
    /*background-color: aqua;*/
    width: 100%;
    height: 1000px;
    
}

@media only screen and (max-width: 600px) {
   .principal{
    display: block;
   }
  }

.superior{
    /*background-color: beige;*/
    width: 100%;
    height: 50%;
    display: flex;
}

.inferior{
    /*background-color: bisque;*/
    width: auto;
    height: 50%;
    display: flex;
}
/**-----------------------------------------------*/
.casilla{
    /*background-color: blueviolet;*/
    width: 100%;
    height: 400px;
    margin: 0 auto;
    margin-top: 10px;
    box-shadow: 5px 5px 10px gray;  
    border-radius: 5%;
   background: linear-gradient(white, white, white, rgb(226, 225, 225));    
    
}
.casillaInferior{
    /*background-color: blueviolet;*/
    width: 100%;
    height: 400px;
    margin: 0 auto;
    margin-top: 10px;
    box-shadow: 5px 5px 10px gray;  
    border-radius: 5%;
    background: linear-gradient(white, white, white, rgb(226, 225, 225));
}
/**-----------------------------------------------*/
.imagen{
    /*background-color: rgb(151, 92, 14);*/
    width: 100%;
    height: 50%;
    border-radius: 5%;
}

.descripcion{
    /*background-color: black;*/
    width: 100%;
    height: 50%;
    position: relative;
}
/**-----------------------------------------------*/
.titulo{
    /*background-color: brown;*/
    width: 100%;
    height: 30%;
    color: #009BDE;
}

.linea{
    background-color: #009BDE;
    width: 97%;
    height: 1%;
    margin: auto;
}

.texto{
    /*background-color: rgb(14, 117, 83);*/
    width: 100%;
    height: 69%;
    align-items: center;
    display: flex;
}
/**-----------------------------------------------*/
.imagen img{
    width: 100%;
    height: 100%;
    border-radius: 5%;
}

.title{
   /*background-color: rgb(173, 196, 196);*/
    
    font-size: 20px;
    margin-top: 0px;
    padding-top: 20px;
    text-align: center;
}

.title2{
   /*background-color: rgb(173, 196, 196);*/
    
    font-size: 20px;
    margin-top: 0px;
    padding-top: 0px;
    text-align: center;
}
.title3{
    /*background-color: rgb(173, 196, 196);*/
     
     font-size: 20px;
     margin-top: 0px;
     margin-left: 20px;
     margin-right: 20px;
     padding-top: 0px;
     text-align: center;
 }


.parrafo{
    width: auto;
    margin-top: 0px;
    /*background-color: rgb(85, 12, 153);*/
    text-align: left;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    margin-left: 20px;
    margin-right: 20px;
    position: absolute;
}

.casilla:hover img{
    opacity: 0.5;
    filter: alpha(opacity=20);
    zoom: 50;
  }
  .casillaInferior:hover img{
    opacity: 0.5;
    filter: alpha(opacity=20);
    zoom: 50;
  }
  .casilla:hover{
    box-shadow: 8px 8px 10px gray; 
    
  }
  .casillaInferior:hover{
    box-shadow: 8px 8px 10px gray; 
    
  }