How to use CSS3 to achieve ever-changing text-shadow effects

This article mainly introduces the relevant information on the design of the ever-changing text shadow text-shadow effect in CSS3. Interested friends can refer to it.

The example of this article shares the ever-changing text shadow of CSS3 with everyone. Text-shadow effect example for your reference, the specific content is as follows

Syntax:

##none|<length>|none|[<shadow> ,]*<shadow>
or
none|<color>|[,<color>]*

represents the color;

represents the length value consisting of a floating point number and a unit identifier, which can be a negative value and specifies the horizontal extension distance of the shadow;

represents a length value composed of a floating point number and a unit identifier. It cannot be a negative value and specifies the distance of the blur effect. If you only need a blur effect, set the first two lengths to 0.

Example:

<style type="text/css">   
p{   
    text-align:center;   
    margin:0;   
    font-family:helvetica,arial,sans-serif;   
    color:#999;   
    font-size:80px;   
    font-weight:bold;   
    text-shadow:0.1em 0.1em #333;//右下角阴影   
    text-shadow:-0.1em -0.1em #333;//左上角阴影   
    text-shadow:-0.1em 0.1em #333;//左下角阴影   
    text-shadow:0.1em 0.1em 0.3em #333;//增加模糊效果的阴影   
    text-shadow:0.1em 0.1em 0.3em black;//定义文本阴影效果   
}   
</style>

**Simple summary:**The first value of the text-shadow attribute represents horizontal displacement; the second The value represents the vertical displacement, positive values ​​​​are shifted to the right or downward; negative values ​​​​are shifted to the upper or left side; the third value represents the blur radius, this value is optional; the fourth value represents the color of the shadow, this value is optional.

Increase the contrast between foreground and background colors through shadows

p{   
    text-align:center;   
    margin:150px auto;   
    font-family:helvetica,arial,sans-serif;   
    font-size:80px;   
    font-weight:bold;   
    color:#fff;//设置文字颜色   
    text-shadow:0.1em 0.1em 0.3em black;//通过阴影增加前景色和背景色的对比   
}

##Summary:

The shadow offset is specified by two <length> values ​​from the distance to the text. The first length value specifies the horizontal distance to the right of the text; negative values ​​will place the shadow to the left of the text. The second length value specifies the vertical distance from the bottom edge of the text. Negative values ​​will place the shadow above the text.

Example:

p{   
    text-align:center;   
    margin:0;   
    padding:24px;   
    font-family:helvetica,arial,sans-serif;   
    font-size:80px;   
    font-weight:bold;   
    color:#000;//设置文字颜色   
    background:#000;//设置背景颜色   
    text-shadow:0 0 4px white,    
                0 -5px 4px #ff3,   
                2px -10px 6px #fd3,   
                -2px -15px 11px #f80,   
                2px -25px 18px #f20;//使用阴影叠加出燃烧的文字特效   
}

p{   
    text-align:center;   
    margin:0;   
    padding:24px;   
    font-family:helvetica,arial,sans-serif;   
    font-size:80px;   
    font-weight:bold;   
    color:#D1D1D1;   
    background:#CCC;   
    text-shadow:-1px -1px white,    
                -1px -1px #333;//使用阴影叠加出立体的文字特效   
                1px 1px white,   
                -1px -1px #444;//使用阴影叠加出凹体文字特效   
                -1px 0 black,                  
                0 1px black,   
                1px 0 black,   
                0 -1px black;//使用阴影叠加出文本描边特效   
                    0 0 0.2em #F87,   
                    0 0 0.2em #F87;//使用阴影叠加出文本外发光特               
}

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