<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><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>