linux virtual display, init commit

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/ui/common.css

@@ -142,6 +142,10 @@ div.password input {
     font-size: 1.2em;
 }
 
+div.username input {
+  font-size: 1.2em;
+}
+
 svg {
     background: none;
 }