content/browser/debugger/manual_tests/element-styles.html

<style>
.classTest {
  -webkit-transform:skew(-10deg,-3deg);
  color: green;
  background: #CCC;
  border: 2px solid blue;
  padding: 5px 6px 7px 8px;
}
</style>
<p>To begin test, open DevTools, select the Elements panel. Expand the Styles pane in the sidebar.</p>
<ul>
  <li>Choose the <b>&lt;div class="classTest"...></b> element in the DOM tree.
You should see the following element styles in the ".classTest (inline stylesheet)" section:
<pre>
  -webkit-transform:skew(-10deg,-3deg);
  color: green;
  background: #CCC;
  border: 2px solid blue;
  padding: 5px 6px 7px 8px;
</pre>
  While changing all the property values, you should see corresponding live page changes.
  <li>Double click the "-webkit-transform" rule and place the cursor at the second argument (-3deg).
  <li>Press Up/Down keys do see the argument value change in 1.0 steps (0.1 steps in the [-1; 1] range).
  <li>Press Shift+Up/Down keys to see the argument value change in 10.0 steps.
  <li>Press Alt(Cmd)+Up/Downkeys to see the argument value change in 0.1 steps (1.0 steps in the [-1; 1] range).
  <li>Move the mouse pointer within the section to display checkboxes to the right of the property values.
  <li>Click the checkboxes to disable/enable the corresponding style properties and observe the page changes.
You can disable the "-webkit-transform" property if the element overlaps the instructions.
  <li>Double-click the "background" rule and alter the color to "#FFF". The text background should turn white.
  <li>Double-click the "color" rule and alter the color to "black". The text background should turn black.
  <li>Expand the "padding" shorthand property using the arrow at the left. You should see the following
property values beneath: padding-top: 5px; padding-right: 6px; padding-bottom: 7px; padding-left: 8px;
  <li>In the "Styles" pane titlebar click the gear button and choose "New Style Rule". In the editbox that appears, type:
<pre>
font-family: monospace;
</pre>
      The font of the test string should alter to a monospaced one.
</ul>

<div class="classTest">CLASS_TEST CLASS_TEST CLASS_TEST CLASS_TEST CLASS_TEST CLASS_TEST CLASS_TEST</div>