inputs: add margin 0 for webkit-inner-spin-button/webkit-outer-spin-b…

…utton to resolve android 4.1 width issue for type=number fields. Fixes #5131

css/structure/jquery.mobile.forms.textinput.css

@@ -20,6 +20,9 @@ textarea.ui-mini { height: 45px; }
 /* Resolves issue #5166: Added to support issue introduced in Firefox 15. We can likely remove this in the future. */
 input:-moz-placeholder { color: #aaa; }
 
+/* Resolves issue #5131: Width of textinput depends on its type, for Android 4.1 */
+input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
+
 @media all and (min-width: 450px){
 	.ui-field-contain label.ui-input-text  { vertical-align: top; display: inline-block; width: 20%; margin: 0 2% 0 0 }
 	.ui-field-contain input.ui-input-text,