SL-18884 Remove dead spot from Back button

indra/newview/skins/default/xui/en/panel_performance_autoadjustments.xml

@@ -24,12 +24,14 @@
   </button>
   <text
    follows="left|top"
-   height="20"
+   height="18"
    layout="topleft"
-   left_pad="3"
-   top="10"
+   left_pad="0"
+   valign="center"
+   halign="center"
+   top="6"
    name="back_lbl"
-   width="40">
+   width="32">
     Back
   </text>
   <text
@@ -39,7 +41,7 @@
    height="20"
    layout="topleft"
    left="20"
-   top_pad="10"
+   top_pad="15"
    name="settings_title"
    width="300">
     Preferred frame rate

indra/newview/skins/default/xui/en/panel_performance_complexity.xml

@@ -24,12 +24,14 @@
   </button>
   <text
    follows="left|top"
-   height="20"
+   height="18"
    layout="topleft"
-   left_pad="3"
-   top="10"
+   left_pad="0"
+   valign="center"
+   halign="center"
+   top="6"
    name="back_lbl"
-   width="40">
+   width="32">
     Back
   </text>
   <text
@@ -39,7 +41,7 @@
    height="20"
    layout="topleft"
    left="20"
-   top_pad="10"
+   top_pad="15"
    name="attachments_title"
    width="195">
     Your avatar complexity 

indra/newview/skins/default/xui/en/panel_performance_huds.xml

@@ -24,12 +24,14 @@
   </button>
   <text
    follows="left|top"
-   height="20"
+   height="18"
    layout="topleft"
-   left_pad="3"
-   top="10"
+   left_pad="0"
+   valign="center"
+   halign="center"
+   top="6"
    name="back_lbl"
-   width="40">
+   width="32">
     Back
   </text>
   <text
@@ -39,7 +41,7 @@
    height="20"
    layout="topleft"
    left="20"
-   top_pad="10"
+   top_pad="15"
    name="huds_title"
    width="135">
     Your active HUDs

indra/newview/skins/default/xui/en/panel_performance_nearby.xml

@@ -24,12 +24,14 @@
   </button>
   <text
    follows="left|top"
-   height="20"
+   height="18"
    layout="topleft"
-   left_pad="3"
-   top="10"
+   left_pad="0"
+   valign="center"
+   halign="center"
+   top="6"
    name="back_lbl"
-   width="40">
+   width="32">
     Back
   </text>
   <text
@@ -39,7 +41,7 @@
    height="20"
    layout="topleft"
    left="20"
-   top_pad="10"
+   top_pad="15"
    name="av_nearby_title"
    width="205">
     Avatars nearby

indra/newview/skins/default/xui/en/panel_performance_preferences.xml

@@ -24,12 +24,14 @@
   </button>
   <text
    follows="left|top"
-   height="20"
+   height="18"
    layout="topleft"
-   left_pad="3"
-   top="10"
+   left_pad="0"
+   valign="center"
+   halign="center"
+   top="6"
    name="back_lbl"
-   width="40">
+   width="32">
     Back
   </text>
   <text
@@ -39,7 +41,7 @@
    height="20"
    layout="topleft"
    left="20"
-   top_pad="10"
+   top_pad="15"
    name="settings_title"
    width="300">
     Graphics settings