third_party/polymer/v1_0/components-chromium/paper-radio-button/README.md

   1 # paper-radio-button
   2
   3 `paper-radio-button` is a button that can be either checked or unchecked.
   4 User can tap the radio button to check or uncheck it.
   5
   6 Use a `<paper-radio-group>` to group a set of radio buttons.  When radio buttons
   7 are inside a radio group, exactly one radio button in the group can be checked
   8 at any time.
   9 Example:
  10
  11 ```html
  12 <paper-radio-button></paper-radio-button>
  13 <paper-radio-button>Item label</paper-radio-button>
  14 ```
  15 Styling a radio button:
  16
  17 ```html
  18 <style is="custom-style">
  19   :root {
  20     /* Unchecked state colors. */
  21     --paper-radio-button-unchecked-color: #5a5a5a;
  22     --paper-radio-button-unchecked-background-color: #fff;
  23     --paper-radio-button-unchecked-ink-color: #5a5a5a;
  24
  25     /* Checked state colors. */
  26     --paper-radio-button-checked-color: #009688;
  27     --paper-radio-button-checked-ink-color: #0f9d58;
  28
  29     --paper-radio-button-label-color: black;
  30   }
  31 </style>
  32 ```