W3.CSS Effects Last Updated : 02 Mar, 2021 Comments Improve Suggest changes Like Article Like Report W3.CSS provides web developers with various effects. They can broadly be classified into three divisions. They are: OpacityGrayscaleSepiaOpacity Effects:There are four opacity effect classes: Sr. No. Class Name Description 1. w3-opacity-min The opacity of the targeted element is set to 0.75. 2. w3-opacity The opacity of the targeted element is set to 0.6. 3. w3-opacity-max The opacity of the targeted element is set to 0.25. 4. w3-hover-opacity The opacity of the targeted element is set to 0.6 on hover. Example: HTML <!DOCTYPE html> <html> <head> <!-- Adding W3.CSS file through external link --> <link rel="stylesheet" href= "https://www.w3schools.com/w3css/4/w3.css"> </head> <body> <!-- w3-container is used to add 16px padding to any HTML element. --> <!-- w3-center is used to set the content of the element to the center. --> <div class="w3-container w3-center"> <!-- w3-text-green sets the text colour to green. --> <!-- w3-xxlarge sets font size to 32px. --> <h2 class="w3-text-green w3-xxlarge"> Welcome To GFG </h2> </div> <!-- Images with Opacity Effects --> <div class="w3-row w3-row-padding w3-center"> <!-- Minimum Opacity --> <div class="w3-col m3 l3"> <img class="w3-image w3-opacity-min" src="gfg.png"> <p> <span class="w3-text-red"> Class </span> <br> <span class="w3-text-blue"> w3-opacity-min </span> </p> </div> <!-- Normal Opacity --> <div class="w3-col m3 l3"> <img class="w3-image w3-opacity" src="gfg.png"> <p> <span class="w3-text-red"> Class </span> <br> <span class="w3-text-blue"> w3-opacity </span> </p> </div> <!-- Maximum Opacity --> <div class="w3-col m3 l3"> <img class="w3-image w3-opacity-max" src="gfg.png"> <p> <span class="w3-text-red"> Class </span> <br> <span class="w3-text-blue"> w3-opacity-max </span> </p> </div> <!-- On Hover Opacity --> <div class="w3-col m3 l3"> <img class="w3-image w3-hover-opacity" src="gfg.png"> <p> <span class="w3-text-red"> Class </span> <br> <span class="w3-text-blue"> w3-hover-opacity </span> </p> </div> </div> </body> </html> Output: Grayscale Effects: There are four grayscale effects classes: Sr. No. Class Name Description 1. w3-grayscale-min The grayscale of the targeted element is set to 50%. 2. w3-grayscale The grayscale of the targeted element is set to 75%. 3. w3-grayscale-max The grayscale of the targeted element is set to 100%. 4. w3-hover-grayscale The grayscale of the targeted element is set to 100% on hover. Example: HTML <!DOCTYPE html> <html> <head> <!-- Adding W3.CSS file through external link --> <link rel="stylesheet" href= "https://www.w3schools.com/w3css/4/w3.css"> </head> <body> <!-- w3-container is used to add 16px padding to any HTML element. --> <!-- w3-center is used to set the content of the element to the center. --> <div class="w3-container w3-center"> <!-- w3-text-green sets the text colour to green. --> <!-- w3-xxlarge sets font size to 32px. --> <h2 class="w3-text-green w3-xxlarge"> Welcome To GFG </h2> </div> <!-- Images with Grayscale Effects --> <div class="w3-row w3-row-padding w3-center"> <!-- Minimum Grayscale --> <div class="w3-col m3 l3"> <img class="w3-image w3-grayscale-min" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-grayscale-min </span> </p> </div> <!-- Normal Grayscale --> <div class="w3-col m3 l3"> <img class="w3-image w3-grayscale" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-grayscale </span> </p> </div> <!-- Maximum Grayscale --> <div class="w3-col m3 l3"> <img class="w3-image w3-grayscale-max" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-grayscale-max </span> </p> </div> <!-- On Hover Grayscale --> <div class="w3-col m3 l3"> <img class="w3-image w3-hover-grayscale" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-hover-grayscale </span> </p> </div> </div> </body> </html> Output: Sepia Effects: There are four sepia classes: Sr. No. Class Name Description 1. w3-sepia-min The sepia effect of the targeted element is set to 50%. 2. w3-sepia The sepia effect of the targeted element is set to 75%. 3. w3-sepia-max The sepia effect of the targeted element is set to 100%. 4. w3-hover-sepia The sepia effect of the targeted element is set to 100% on hover. Example: HTML <!DOCTYPE html> <html> <head> <!-- Adding W3.CSS file through external link --> <link rel="stylesheet" href= "https://www.w3schools.com/w3css/4/w3.css"> </head> <body> <!-- w3-container is used to add 16px padding to any HTML element. --> <!-- w3-center is used to set the content of the element to the center. --> <div class="w3-container w3-center"> <!-- w3-text-green sets the text colour to green. --> <!-- w3-xxlarge sets font size to 32px. --> <h2 class="w3-text-green w3-xxlarge"> Welcome To GFG </h2> </div> <!-- Images with Sepia Effects --> <div class="w3-row w3-row-padding w3-center"> <!-- Minimum Sepia --> <div class="w3-col m3 l3"> <img class="w3-image w3-sepia-min" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-sepia-min </span> </p> </div> <!-- Normal Sepia --> <div class="w3-col m3 l3"> <img class="w3-image w3-sepia" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-sepia </span> </p> </div> <!-- Maximum Sepia --> <div class="w3-col m3 l3"> <img class="w3-image w3-sepia-max" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-sepia-max </span> </p> </div> <!-- On Hover Sepia --> <div class="w3-col m3 l3"> <img class="w3-image w3-hover-sepia" src="gfg.png"> <p> <span class="w3-text-red">Class</span> <br> <span class="w3-text-blue"> w3-hover-sepia </span> </p> </div> </div> </body> </html> Output: Comment More infoAdvertise with us Next Article CSS Introduction A aditya_taparia Follow Improve Article Tags : CSS W3.CSS Similar Reads CSS Tutorial CSS stands for Cascading Style Sheets. 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