.blocker {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  width: 100%; height: 100%;
  overflow: auto;
  z-index: 1;
  padding: 20px;
  box-sizing: border-box;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0,0.75);
  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: inline-block;
  vertical-align: middle;
  position: relative;
  z-index: 2;
  background: #fff;
  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: -12.5px;
  right: -12.5px;
  display: block;
  width: 30px;
  height: 30px;
  text-indent: -9999px;
  background: url(../../img/ctrl/x.png) no-repeat 0 0;
}

.modal-spinner {
  display: none;
  width: 64px;
  height: 64px;
  position: fixed;
  top: 50%;
  left: 50%;
  margin-right: -32px;
  margin-top: -32px;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -o-border-radius: 8px;
  -ms-border-radius: 8px;
  border-radius: 8px;
}