Fixes in json and dashboard

paramecio2/modules/admin/media/css/admin.css

@@ -814,6 +814,65 @@ a.form_button_tab:hover
 
 }
 
+/* Loading */
+/* <div class="lds-dual-ring"></div> */
+
+.lds-dual-ring {
+  display: inline-block;
+  width: 80px;
+  height: 80px;
+}
+.lds-dual-ring:after {
+  content: " ";
+  display: block;
+  width: 64px;
+  height: 64px;
+  margin: 8px;
+  border-radius: 50%;
+  border: 6px solid #000;
+  border-color: #000 transparent #000 transparent;
+  animation: lds-dual-ring 1.2s linear infinite;
+}
+@keyframes lds-dual-ring {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+/* Block screen while loading */
+
+#layer_loading {
+
+    z-index:50000;
+    /*background-color:rgba(0,0,0,0.4);*/
+    /*opacity:0.5;*/
+    position:absolute;
+    width:100%;
+    height:100%;
+    overflow:auto;
+
+    
+}
+
+#container_loading {
+
+    z-index:50001;
+    overflow:auto;
+   /* border: solid #fbfbfb 4px;*/
+    position:absolute;
+    overflow:visible;
+    width:100%;
+    height:100%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+}
+
+
 /* Media queries */
 
 @media only screen and (max-width: 800px) {