update css

themes/custom/envigo/css/override.css

@@ -121,5 +121,52 @@ z-index: 9;
 }*/
 
 .inversterSection .outer-loader .loader_main span{width:100%;padding:2px 0;display:-webkit-box;display:-ms-flexbox;display:flex;position:relative;font-size:2rem;color:#fff;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.inversterSection .outer-loader .loader_main span em{background:url(../images/l_spinner.svg) no-repeat;background-position:center;background-size:contain;position:relative;width:36px;height:36px;display:block}
+.inversterSection .outer-loader {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: rgba(0, 0, 0, 0.85);
+    top: 0;
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-align: center;
+    -ms-flex-align: center;
+    align-items: center;
+    z-index: 9;
+}
+.inversterSection .outer-loader .loader_main {
+    width: 100%;
+    padding: 2px 0;
+    height: 135px;
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+}
+.inversterSection .outer-loader .loader_main span {
+    width: 100%;
+    padding: 2px 0;
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    position: relative;
+    font-size: 2rem;
+    color: #fff;
+    -webkit-box-align: center;
+    -ms-flex-align: center;
+    align-items: center;
+    -webkit-box-pack: center;
+    -ms-flex-pack: center;
+    justify-content: center;
+}
+.inversterSection .outer-loader .loader_main span em {
+    background: url(../images/l_spinner.svg) no-repeat;
+    background-position: center;
+    background-size: contain;
+    position: relative;
+    width: 36px;
+    height: 36px;
+    display: block;
+}