Initial

modules/popup/css/popup.less

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+// out: popup.css, sourcemap: false, compress: false
+
+#popupContainer {
+  z-index: 400;
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+
+  .overlay-popup {
+    position: absolute;
+    transform: translate(-50%, -50%);
+    z-index: 9999;
+    padding: 1em 1.5em;
+    background: rgba(0,0,0,0.75);
+    color: #fff;
+    border-radius: 0.5em;
+    box-shadow: 0 0 10px rgba(0,0,0,0.5);
+    max-width: 20%;
+    text-align: center;
+    transition: opacity 0.5s ease-out;
+  }
+
+  .overlay-popup.fade-out {
+    opacity: 0;
+  }
+
+}
+
+