popup_dialog.css in Popup Dialog 8

#popup-dialog-window {
  position: absolute;
  width: 80%;
  padding: 15px;
  background: #ffffff;
  margin: 0 auto;
  border: 5px solid #3a3a3a;
  z-index: 1;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}

@media all and (min-width: 460px) {
  #popup-dialog-window {
    width: auto;
  }
}

/*@media all and (min-width: 768px) {*/
  /*#popup-dialog-window {*/
    /*width: 30%;*/
  /*}*/
/*}*/

#popup-header {
  display: inline-block;
  width: 100%;
  border-bottom: 1px solid #d4d4d4;
}

#popup-dialog-title {
  float: left;
}

#close-dialog {
  float: right;
  text-indent: -9999px;
  background: url("close.png") no-repeat;
  width: 12px;
  background-size: 100%;
  cursor: pointer;
}

#popup-dialog-background {
  background: rgba(0, 0, 0, 0.30);
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
}