Fixed SonarQube issues in css/scss files.

web/pgadmin/misc/file_manager/static/css/file_manager.css

@@ -39,8 +39,8 @@
 .file-input-container {
   margin:0;
   position:relative;
-  top:0px;
-  width:215px;
+  top:16px;
+  width:198px;
   height:32px;
   overflow: hidden;
 }
@@ -53,9 +53,6 @@
   }
 }
 
-/** Opera hack */
-x:-o-prefocus, .file-input-container {top:16px;width:198px;}
-
 /** Input file Replacement - end */
 .file_listing #contents.grid {
   text-align: left;

web/pgadmin/misc/file_manager/static/scss/_file_manager.scss

@@ -56,10 +56,6 @@
   background: $table-hover-bg-color;
 }
 
-.fileinfo table#contents tr td {
-  font-family: $font-family-primary;
-}
-
 .fileinfo #contents li span.less_text {
   width: 100%;
   text-overflow: ellipsis;
@@ -70,6 +66,8 @@
 }
 
 .fileinfo table#contents tr td {
+  font-family: $font-family-primary;
+
   & span.less_text {
     text-overflow: ellipsis;
     overflow: hidden;

web/pgadmin/misc/static/explain/scss/_explain.scss

@@ -43,11 +43,7 @@
 
 div.tab-pane[data-explain-tabpanel=table] {
 
-   border-bottom: $panel-border;
-
-  .pga-ex-exclusive-1,
-  .pga-ex-inclusive-1,
-  .pga-ex-rowsx-1 {}
+  border-bottom: $panel-border;
 
   td.pga-ex-exclusive-2,
   td.pga-ex-inclusive-2,