.blocker {
   position: fixed;
   top: 0;
   right: 0;
   bottom: 0;
   left: 0;
   width: 100%;
   height: 100%;
   overflow: auto;
   z-index: 999;
   padding: 20px;
   box-sizing: border-box;
   background-color: rgb(0,0,0);
   background-color: rgba(0,0,0,0.3);
   text-align: center;
}
.blocker:before {
   content: "";
   display: inline-block;
   height: 100%;
   vertical-align: middle;
   margin-right: -0.05em;
}
.blocker.behind { background-color: transparent; }
.modal {
   display: none;
   vertical-align: middle;
   position: relative;
   z-index: 2;
   max-width: 700px;
   box-sizing: border-box;
   width: 100%;
   background: none;
   padding: 15px 30px;
   -webkit-border-radius: 8px;
   -moz-border-radius: 8px;
   -o-border-radius: 8px;
   -ms-border-radius: 8px;
   border-radius: 8px;
   /*-webkit-box-shadow: 0 0 10px #000;
  -moz-box-shadow: 0 0 10px #000;
  -o-box-shadow: 0 0 10px #000;
  -ms-box-shadow: 0 0 10px #000;
  box-shadow: 0 0 10px #000;*/
   text-align: left;
}
.modal a.close-modal {
   position: absolute;
   top: 87px;
   right: 129px;
   display: block;
   width: 30px;
   height: 30px;
   text-indent: -9999px;
   background-size: contain;
   background-repeat: no-repeat;
   background-position: center center;
   background-image: url("../img/btn-cerrar-modal.png");
}
.modal-spinner {
   display: none;
   position: fixed;
   top: 50%;
   left: 50%;
   transform: translateY(-50%) translateX(-50%);
   padding: 12px 16px;
   border-radius: 5px;
   background-color: #111;
   height: 20px;
}
.modal-spinner > div {
   border-radius: 100px;
   background-color: #fff;
   height: 20px;
   width: 2px;
   margin: 0 1px;
   display: inline-block;
   -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
   animation: sk-stretchdelay 1.2s infinite ease-in-out;
}
.modal-spinner .rect2 {
   -webkit-animation-delay: -1.1s;
   animation-delay: -1.1s;
}
.modal-spinner .rect3 {
   -webkit-animation-delay: -1.0s;
   animation-delay: -1.0s;
}
.modal-spinner .rect4 {
   -webkit-animation-delay: -0.9s;
   animation-delay: -0.9s;
}
 @-webkit-keyframes sk-stretchdelay {
 0%, 40%, 100% {
-webkit-transform: scaleY(0.5)
}
 20% {
-webkit-transform: scaleY(1.0)
}
}
 @keyframes sk-stretchdelay {
 0%, 40%, 100% {
 transform: scaleY(0.5);
 -webkit-transform: scaleY(0.5);
}
20% {
 transform: scaleY(1.0);
 -webkit-transform: scaleY(1.0);
}
}