Virtual keyboard + configuration:

- complete implementation of virtual keyboard
- support loading user defined virtual keyboard from configuration at $XDG_CONFIG_HOME/xkb/
- support loading user defined CSS theme from $XDG_CONFIG_HOME/themes/

resources/virtual-keyboard.css

@@ -1,18 +1,25 @@
-.diya-vkb
+diya-vkb
 {
     background-color: transparent;
-    border: 1px solid orangered;
+    /* border: 1px solid orangered; */
 }
 
-.diya-vkb-btn {
+diya-vkb-button
+{
     background-color: white;
     border: 1px solid #CDC7C2;
     border-radius: 3px;
     min-width: 30px;
-    /*min-height: 30px;*/
+    min-height: 30px;
+    box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.2), 0 1px 1px 0 rgba(0, 0, 0, 0.19);
 }
 
-.diya-vkb-btn:hover
+diya-vkb-button.active
+{
+    background-color: #E7E6E2;
+}
+
+diya-vkb-button:hover
 {
     background-color: #E7E6E2;
 }
@@ -22,18 +29,19 @@
     
 }*/
 
-.diya-vkb-btn-level-1 {
+diya-vkb-button label.shift-level-1 {
     color: black;
     padding-top: 2px;
+    font-size: 12px;
 }
 
-.diya-vkb-btn-level-2 {
+diya-vkb-button label.shift-level-2 {
     color: gray;
     font-size: 9px;
     padding-left: 3px;
 }
 
-.diya-vkb-btn-level-3 {
+diya-vkb-button label.shift-level-3 {
     color: gray;
     font-size: 9px;
     padding-right: 3px;