.cajaexterna {
        background-color: rgba(0, 0, 0, 0.5);
        bottom: 0;
        /*display: none;*/
        left: 0;
        overflow: auto;
        position: fixed;
        right: 0;
        top: 0;
        z-index: 1000;
    }
    .cajainterna {
        background: #eff5f9;
        margin: 3em auto 0;
        position: relative;
        width: 80%;
        padding-bottom: 5px;
    }
    .cajacentrada {
    	  margin: 0 auto;
        font-size: 13px;
        text-align: center;
        padding: 20px;
    }
    .cajacentrada-img{
    	width: 100%;
    }
    .titimg{
    	display: block;
	    margin: 5px 0;
	    text-align: justify;
	    width: 100%;
    }
    .titimg p{
    	margin-top: 8px;
    }
    .cajacentrada h2 {
	   	background: none repeat scroll 0 0 #0a6fb2;
	    box-sizing: border-box;
	    color: white;
	    padding: 10px;
	    text-align: left;
	    width: 100%;
      border-radius: 5px;
      font-weight: 100;
    }   
    .cierramodal {
      text-align: right;
    }
    .btn-cerrar {
	    padding: 2px 10px;
	    font-size: 16px;
	    line-height: 1.7em;
	    color: #ca4b00;
	    border: 1px solid #fff;
	    /*background: url(../images/button1-tail.gif) 0 0 repeat-x #e6e6e6;*/
	    box-shadow: 0px 2px 3px #888;
	    cursor: pointer;
}
.btn-cerrar:hover {
    background-color: rgba(0,0,0,0.3);
}
.cajainternaref {
        background: #eff5f9;
        margin: 2em auto;
        position: relative;
        width: 350px;
    }
.titimgref{
      display: block;
      margin: 5px 0;
      text-align: justify;
      width: 100%;
    }
@media(min-width:512px) {
    .cajacentrada {
      font-size: 15px;
    }
}
@media(min-width:800px) {
    .cajacentrada {
      display: flex;
    }
    .cajacentrada-img{
      width: 50%;
    }
    .titimg{
      width: 50%;
      margin: 0 20px;
    }
    .titimgref{
      margin: 0 20px;
    }
}
    
    /* Animaciones */
    
    .animated {
      -webkit-animation-duration: 1s;
              animation-duration: 1s;
      -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
    }
    
    .animated.infinite {
      -webkit-animation-iteration-count: infinite;
              animation-iteration-count: infinite;
    }
    @keyframes bounceIn {
      0%, 20%, 40%, 60%, 80%, 100% {
        -webkit-transition-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
                transition-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
      }
    
      0% {
        opacity: 0;
        -webkit-transform: scale3d(.3, .3, .3);
                transform: scale3d(.3, .3, .3);
      }
    
      20% {
        -webkit-transform: scale3d(1.1, 1.1, 1.1);
                transform: scale3d(1.1, 1.1, 1.1);
      }
    
      40% {
        -webkit-transform: scale3d(.9, .9, .9);
                transform: scale3d(.9, .9, .9);
      }
    
      60% {
        opacity: 1;
        -webkit-transform: scale3d(1.03, 1.03, 1.03);
                transform: scale3d(1.03, 1.03, 1.03);
      }
    
      80% {
        -webkit-transform: scale3d(.97, .97, .97);
                transform: scale3d(.97, .97, .97);
      }
    
      100% {
        opacity: 1;
        -webkit-transform: scale3d(1, 1, 1);
                transform: scale3d(1, 1, 1);
      }
    }
    
    .bounceIn {
      -webkit-animation-name: bounceIn;
              animation-name: bounceIn;
      -webkit-animation-duration: .75s;
              animation-duration: .75s;
    }
    .element.bounceIn {    
        -webkit-animation: bounceIn .7s 1;
        -moz-animation: bounceIn .7s 1;
        -o-animation: bounceIn .7s 1;
        animation: bounceIn .7s 1;
    }