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Overview
The CSS gradient functions let you display smooth transitions between two or more colors within an element.CSS defines three types of gradients:
Formula
The CSS gradient functions are used within the background - image property.Formula
linear - gradient() function creates a linear gradient.A linear gradient defines a color transition that goes in a straight line, it can go down, up, to left, to right, or diagonally. A linear gradient requires at least two color stops. Color stops are the colors you want to render smooth transitions among. You can also set a starting point and a direction (or an angle) along with the gradient effect.
Formula
direction, color - stop1, color - stop2, ...);Formula
Direction - Top to Bottom (this is default)The following example shows a linear gradient that goes from top to bottom. It starts red, transitioning to yellow: top to bottom (default)
#grad {
background-image: linear-gradient(to bottom, red, yellow);
}Formula
Direction - Bottom to TopThe following example shows a linear gradient that goes from bottom to top. It starts red, transitioning to yellow: bottom to top
#grad {
background-image: linear-gradient(to top, red, yellow);
}Formula
Direction - Left to RightThe following example shows a linear gradient that goes from left to right. It starts red, transitioning to yellow: left to right
#grad {
background-image: linear-gradient(to right, red , yellow);
}Formula
Direction - DiagonalThe following example shows a linear gradient that goes from top-left to bottom-right. It starts red, transitioning to yellow: top left to bottom right
#grad {
background-image: linear-gradient(to bottom right, red, yellow);
}Formula
Linear Gradient - Using Angles
If you want more control over the direction of the gradient, you can define an angle parameter, instead of the predefined directions (to bottom, to top, to right, to left, to bottom right, etc.).A value of 0deg is equivalent to "to top". A value of 90deg is equivalent to "to right".
180deg is equivalent to "to bottom". A value of 270deg equivalent to "to left"
Formula
angle, color - stop1, color - stop2);The following example shows how to use angles on linear gradients: 180deg
#grad {
background-image: linear-gradient(180deg, red, yellow);
}Formula
Linear Gradient - Multiple Color StopsThe following example shows a linear gradient (from top to bottom) with multiple color stops:
#grad {
background-image: linear-gradient(red, yellow, green);
}
The following example shows a linear gradient (from left to right) with the color of the rainbow and some text:#grad {
background-image: linear-gradient(to right, red,orange,yellow,green,blue,indigo,violet);
}Formula
Linear Gradient - TransparencyCSS gradients also support transparency, which can be used to create fading effects. To add transparency, we use the rgba() function to define the color stops. The last parameter in the rgba() function can be a value from 0 to 1, and it defines the transparency of the color: 0 indicates full transparency, 1 indicates full color (no transparency). The following example shows a linear gradient that goes from left to right. It starts fully transparent, transitioning to full color red:
#grad {
background-image: linear-gradient(to right, rgba(255,0,0,0), rgba(255,0,0,1));
}Formula
repeating - linear - gradient() function is used to repeat linear gradients:#grad {Formula
background - image:repeating-linear-gradient(red, yellow 10%, green 20%);
}