You can try to run the following code to implement Y-axis 3D transform with CSS3:ExampleLive Demo                    div {             width: 200px;             height: 100px;             background-color: pink;             border: 1px solid black;          }          div#yDiv {             -webkit-transform: rotateY(150deg);             /* Safari */             transform: rotateY(150deg);             /* Standard syntax */          }                              tutorialspoint.com             Rotate Y axis                tutorialspoint.com.          

Use the CSS :last-child selector to style every elements that is the last child of its parent. You can try to run the following code to implement the :last-child selectorLive Demo                    p:last-child {             background: orange;          }                     This is demo text1.       This is demo text2.       This is demo text3.    

Use the CSS :last-child selector to style every element that is the last child of its parent.ExampleYou can try to run the following code to implement the :last-child selector −Live Demo                    p:last-of-type {             background: orange;          }                     Heading       This is demo text1.       This is demo text2.       This is demo text3.    

Use the CSS :lang selector to style every element with a lang attribute value with CSS. You can try to run the following code to implement the :lang selectorExampleLive Demo                    p:lang(fr) {             background: greeb;          }                     This is my country       C'est mon pays       French is the language of France    

Use the CSS :lang selector to style every element with a lang attribute value. You can try to run the following code to implement the :lang selector:ExampleLive Demo                    p:lang(fr) {             background: green;          }                     This is my country       C'est mon pays       French is the language of France    

To style all elements with an invalid value, use the CSS :invalid selector.ExampleYou can try to run the following code to implement the :invalid selector −Live Demo                    input:invalid {             background: red;          }                     Heading             The style (red color background) appears if you type an irrelevant/ invalid email address.    

Use the CSS :invalid selector to style all elements with an invalid value. You can try to run the following code to implement the :invalid selectorExampleLive Demo                    input:invalid {             background: red;          }                     Heading                    The style (red color background) appears if you type an irrelevant/ invalid email address.    

Use the CSS :in-range selector to style elements with a value within a specified range. You can try to run the following code to implement the :in-range selector −ExampleLive Demo                    input:in-range {             border: 3px dashed orange;             background: yellow;          }                           The style only works for the value entered i.e. 9    

To style links on mouse over with CSS, use the CSS: hover selector. You can try to run the following code to implement the: hover, selector,ExampleLive Demo                    a:hover {             background-color: orange;          }                     Google       Keep the mouse cursor on the above link and see the effect.    

Use the CSS :first-of-type selector to style every element that is the first element of its parent with CSS.ExampleYou can try to run the following code to implement the :first-of-type selectorLive Demo                    p:first-of-type {             background: orange;          }                     This is demo text1.       This is demo text2.