.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: none;
  vertical-align: middle;
  position: relative;
  z-index: 2;
  max-width: 600px;
  box-sizing: border-box;
  width: 90%;
  background: #e6e6e6;
  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: -0.5px;
  right: -2px;
  display: block;
  width: 30px;
  height: 30px;
  text-indent: -9999px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAFq0lEQVR42u2Xe1DUVRTHv/vkscsqrCKwL4FRwAkBGfExJKwSCr4IjWKKGadysrEsLStFfPQca4YGZ2x6zDSZzVA4oFEU2BRiYjKCGD4Jy/bFQ2EXFlhYFnY7v58L7CIsWk35h2dmd+/vPs7387v33HPvcvA/G+c+wD0NUCwUikRRUSVeAQGqrvr6tIzOzut34rTE2ztUEhPzPXg8jfny5czMzs7euwYoAkRcoMwvOirJL3IWmo+UauyAOgvwCEHjQmlcZWD6MtWgpR/GE9VVNG4ljRsXYlyAQqe4wFeQtHjnVohU4Ti5Ixc9+nYWInsCiEKnuFg+TbUkLxe91l6cfm0fbBYbC5E9DsRtAF+4iC/ashEBAilbbw2bgZ/z9hBEh3aAIDYAf7iOOwSECW6JKxNf3Q7vtm7Aywsm0SBO73p7BOKJMRC3ARwGygU+guULns6CnyAQDsdwTw4cEXKceuMtdBCEDlj6OvA70/QmiQeRuFQuVS5+eRu4mvZRAYKwSPk4vXs/bH22ihxghUeAz4CrvlJRxKKcdbBbvDFKQMblgv9AKMr3vwetvkN3gyCY1mDgJ5Vcqkh5cQuGfjO4jeHwePBZHIPKbS/B0m5ppJmL9AjwKa0jDa/0C5Ko4jPTMNDJc+9AEIK4WSjKL0CrwahnqmSyAPm655+F7cKf7sDkXRw3G7+8fwDdBqOGHtVPjomfcYPwExeIeWuWoa/N7tZuJwjh/AgUHvyIdfDYpqcwUHcNXFdxMnFUCGoPfwWzU3zjOME74Tb88BbECUmQRBmX9iB6ddaRt2O+bTwuxAsj2breM43g2+2jzgjQb/Y01B0th7nZpKX65E0T7ByPieigC8S8lAR0X+sZnQX6DJEQYzwSZ0p8kQiiyEh4q4SoLjiELoORFd/sIXdMmooPUIQzyzGFgUiOhfmSaXSdmQBTKCAMCoLNakVPayu4AgOa6nUwt3Qz4uotY7brXQMwlk8QYCCCJcr5qQkw1ujBEXqBw+fBYmimGGllHQWmRuLKhWZ0tZi19KjeNon4HQO8SwDUsXJq8BRlXHQIOo5fgWMcR9LUOai/aEBnc5eW2tWv/BsA7wyLh0xVLoyWwXz8EhuFDIDDxQnHWZAsj8aZBj1BmFiIHf9kCSjDhVKHE/4h/sqkuQr0VTS4iducDvhjIHxWxKKqQQsTBSH1S971d4Jw37C4LECZOleFwfL6kVdmfgYpNZvT41kHku/qwKPA5Lh45acn4Piv12HS32Qh9tzNNtzDIXEHKv3l01WrYsPAKatxE7eTeMfqRDxz7grr4uP4OZCWngTHDYLOjjXJ+PbcVZh0LRquQKDebbNNnohyZdPC+S3GHwNkgaqMeZEQlla5pVcHOb6R8RCeq22ATdeqp3zgECqCFR/Mj8H0oxUsBFwgBjJX4NjZBli6ejRhKSkpjxYXX/MIsEsmveonC47ICZ0JUVGZW/ZjHLZmpmPz2XoMaZt1PhRkTDWlp0ovpUxxMCEOM4pvjXGdCUv2w6ge4qG9salx0/nzng+jvGBphUAiTs1atBCKL48B/daRN7+5fjW21pyDWatnxcucx3EaEG5hjmOVXJG/IB7Tj5SOzpq3N/SPr8cP1WfRZ+qs2N7W5vk4zpsqFnG7esq8RKKkzEfWQlFYQrcRK4xU3l1TixaNXkcXD/U3TvFhW0XblS4qlUqVQrmXIPyPfM1eSHTZmSih8kBPb5XA13dlrsXi+ULCBiHdiqihTCgmiKwMSAgg/1QNrmt0bIYrnmBvr3PmjHCCeCFxAboJoLjoGCtOzSv33smVzBUCPG4Zb5YiycEXQnepSTvggPrzSRLLBoLwIoilSxKV/L5+XKytq3I4HOOKewRgbGdsuD+G7MVDLUZZv9WWVtBtmTS1MrY/MDAsYubMcolYrDPodGtzmpp6Jup7b/8xuQ/wX9hf/r47PynAS8cAAAAASUVORK5CYII=');

}

.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);
  }
}