CSS Filters - Text and Image Effects

You can use CSS filters to add special effects to text, images and other aspects of a webpage without using images or other graphics. Filters only work on Internet Explorer 4.0. If you are developing your site for multiple browsers, then it may not be a good idea to use CSS filters because there is a possibility that it would not give any advantage.
In this chapter, we will see the details of each CSS filter. These filters may not work in your browser.
The Alpha Channel filter alters the opacity of the object, which makes it blend into the background. The following parameters can be used in this filter −
opacity
Level of the opacity. 0 is fully transparent, 100 is fully opaque.
finishopacity
Level of the opacity at the other end of the object.
style
The shape of the opacity gradient.
0 = uniform
1 = linear
2 = radial
3 = rectangular
startX
X coordinate for opacity gradient to begin.
startY
Y coordinate for opacity gradient to begin.
finishX
X coordinate for opacity gradient to end.
finishY
Y coordinate for opacity gradient to end.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" alt = "CSS Logo" 
         style = "Filter: Alpha(Opacity=100, 
         FinishOpacity = 0, 
         Style = 2, 
         StartX = 20, 
         StartY = 40, 
         FinishX = 0, 
         FinishY = 0)" />
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: blue;
         Filter: Alpha(Opacity=100, FinishOpacity=0, Style=1, StartX=0, StartY=0, FinishX=580, FinishY=0)">CSS Tutorials</div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Motion Blur is used to create blurred pictures or text with the direction and strength. The following parameters can be used in this filter −
add
True or false. If true, the image is added to the blurred image; and if false, the image is not added to the blurred image.
direction
The direction of the blur, going clockwise, rounded to 45-degree increments. The default value is 270 (left).
0 = Top
45 = Top right
90 = Right
135 = Bottom right
180 = Bottom
225 = Bottom left
270 = Left
315 = Top left
strength
The number of pixels the blur will extend. The default is 5 pixels.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" alt = "CSS Logo" 
         style = "Filter: Blur(Add = 0, Direction = 225, Strength = 10)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: blue; 
         Filter: Blur(Add = 1, Direction = 225, Strength = 10)">CSS Tutorials
      </div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Chroma Filter is used to make any particular color transparent and usually it is used with images. You can use it with scrollbars also. The following parameter can be used in this filter −
color
The color that you'd like to be transparent.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/images/css.gif" 
         alt = "CSS Logo" style = "Filter: Chroma(Color = #FFFFFF)">
      
      <p>Text Example:</p>
      
      <div style = "width: 580; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: #3300FF; 
         Filter: Chroma(Color = #3300FF)">CSS Tutorials</div>
   </body>
</html>
It will produce the following result −
Image Example:
Text Example:
Drop Shadow is used to create a shadow of your object at the specified X (horizontal) and Y (vertical) offset and color.
The following parameters can be used in this filter −
color
The color, in #RRGGBB format, of the dropshadow.
offX
Number of pixels the drop shadow is offset from the visual object, along the x-axis. Positive integers move the drop shadow to the right, negative integers move the drop shadow to the left.
offY
Number of pixels the drop shadow is offset from the visual object, along the y-axis. Positive integers move the drop shadow down, negative integers move the drop shadow up.
positive
If true, all opaque pixels of the object have a dropshadow. If false, all transparent pixels have a dropshadow. The default is true.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter:drop-shadow(2px 2px 1px #FF0000);">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter:drop-shadow(3px 3px 2px #000000);">CSS Tutorials</div>
   </body>
</html>
It will produce the following result −
Image Example:
Text Example:
Flip effect is used to create a mirror image of the object. The following parameters can be used in this filter −
FlipH
Creates a horizontal mirror image
FlipV
Creates a vertical mirror image
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: FlipH">
      
      <img src = "/css/images/logo.png" alt = "CSS Logo" style = "filter: FlipV">
      
      <p>Text Example:</p>
      
      <div style = "width: 300; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: FlipV">CSS Tutorials</div>
   </body>
</html>
It will produce the following result −
Image Example:
Text Example:
Glow effect is used to create a glow around the object. If it is a transparent image, then glow is created around the opaque pixels of it. The following parameters can be used in this filter −
color
The color you want the glow to be.
strength
The intensity of the glow (from 1 to 255).
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: Chroma(Color = #000000) Glow(Color=#00FF00, Strength=20)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: Glow(Color=#00FF00, Strength=20)">CSS Tutorials</div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Grayscale effect is used to convert the colors of the object to 256 shades of gray. The following parameter is used in this filter −
grayscale
Converts the colors of the object to 256 shades of gray.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: grayscale(50%)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: grayscale(50%)">CSS Tutorials</div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Invert effect is used to map the colors of the object to their opposite values in the color spectrum, i.e., to create a negative image. The following parameter is used in this filter −
Invert
Maps the colors of the object to their opposite value in the color spectrum.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: invert(100%)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: invert(100%)">CSS Tutorials</div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Mask effect is used to turn transparent pixels to a specified color and makes opaque pixels transparent. The following parameter is used in this filter −
color
The color that the transparent areas will become.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: Chroma(Color = #000000) Mask(Color=#00FF00)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: Mask(Color=#00FF00)">CSS Tutorials
      </div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Shadow filter is used to create an attenuated shadow in the direction and color specified. This is a filter that lies in between Dropshadow and Glow. The following parameters can be used in this filter −
color
The color that you want the shadow to be.
direction
The direction of the blur, going clockwise, rounded to 45-degree increments. The default value is 270 (left).
0 = Top
45 = Top right
90 = Right
135 = Bottom right
180 = Bottom
225 = Bottom left
270 = Left
315 = Top left
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: Chroma(Color = #000000) Shadow(Color=#00FF00, Direction=225)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: 
         Arial Black; 
         color: red; 
         filter: Shadow(Color=#0000FF, Direction=225)">CSS Tutorials
      </div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
Wave effect is used to give the object a sine wave distortion to make it look wavy. The following parameters can be used in this filter −
add
A value of 1 adds the original image to the waved image, 0 does not.
freq
The number of waves.
light
The strength of the light on the wave (from 0 to 100).
phase
At what degree the sine wave should start (from 0 to 100).
strength
The intensity of the wave effect.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: Chroma(Color = #000000) 
         Wave(Add=0, Freq=1, LightStrength=10, Phase=220, Strength=10)">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: Wave(Add=0, Freq=1, LightStrength=10, Phase=20, Strength=20)">CSS Tutorials
      </div>
   </body>
</html> 
It will produce the following result −
Image Example:
Text Example:
X-Ray effect grayscales and flattens the color depth. The following parameter is used in this filter:
xray
Grayscales and flattens the color depth.
<html>
   <head>
   </head>
   
   <body>
      <p>Image Example:</p>
      
      <img src = "/css/images/logo.png" 
         alt = "CSS Logo" 
         style = "filter: Xray">
      
      <p>Text Example:</p>
      
      <div style = "width: 357; 
         height: 50; 
         font-size: 30pt; 
         font-family: Arial Black; 
         color: red; 
         filter: Xray">CSS Tutorials
      </div>
   </body>
</html>
It will produce the following result −
Image Example:
Text Example:

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