How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples)-CSS Tutorial-php.cn

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How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples)

青灯夜游

Oct 18, 2018 pm 01:58 PM

css Picture shadow filter shadow

css can achieve many picture effects, and picture shadow effect is one of them. So how to add shadow effect to pictures in css? This article will introduce to you how to use css to add shadows to images (with code), and let you know the two methods of adding shadows to images with css. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

First let’s take a look at how to add shadow effects to images using cssThe first method: setting the box-shadow attribute, let’s take a look at the implementation of the box-shadow attribute through a simple code example method.

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>css 图片阴影--box-shadow属性</title>
        <style>
            .demo{
                width: 400px;
                height: 300px;
                margin: 50px auto;
            }
            .demo img{
                 box-shadow: 10px 10px 10px rgba(0,0,0,.5);
                 /*考虑浏览器兼容性*/
                 -moz-box-shadow: 10px 10px 10px rgba(0,0,0,.5);
                 -webkit-box-shadow: 10px 10px 10px rgba(0,0,0,.5);
            }
        </style>
    </head>
    <body>
        <div class="demo">
            <img  src="/static/imghw/default1.png"  data-src="https://img.php.cn//upload/image/168/638/459/1539834402154297.jpg"  class="lazy"   / alt="How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples)" >
        </div>
    </body>
</html>

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Rendering:

How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples)

#The box-shadow attribute is not very simple to set the image shadow. Let’s take a look at how to set the box-shadow attribute. of:

1	`box-shadow: h-shadow v-shadow blur spread color inset;`

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h-shadow: Required value that defines the position of the horizontal shadow. Negative values are allowed.

v-shadow: A required value that defines the position of the vertical shadow. Negative values are allowed.

blur: Optional setting value, defining the blur distance.

spread: Optional setting value that defines the size of the shadow.

color: Optional set value that defines the color of the shadow. If no value is set, the color value is based on browser display. It is recommended to set it.

inset: The value of the optional setting. After setting, the outer shadow (outset) can be changed to the inner shadow.

Next let’s take a look at how to add shadow effects to images using cssThe second method: use the filter attribute of css3 -----filter attribute to set the shadow of the image.

You can set filter:drop-shadow(); to add a shadow to the image. Let’s see how to implement it through a simple code example.

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>css 图片阴影--box-shadow属性</title>
        <style>
            .demo{
                width: 400px;
                height: 300px;
                margin: 50px auto;
            }
            .demo img{
                -webkit-filter: drop-shadow(10px 10px 10px rgba(0,0,0,.5)); /*考虑浏览器兼容性：兼容 Chrome, Safari, Opera */
                filter: drop-shadow(10px 10px 10px rgba(0,0,0,.5));
            }
        </style>
    </head>
    <body>
        <div class="demo">
            <img  src="/static/imghw/default1.png"  data-src="https://img.php.cn//upload/image/763/722/108/1539841316558232.jpg"  class="lazy"   / alt="How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples)" >
        </div>
    </body>
</html>

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Rendering:

How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples)

Description:

1	`filter:drop-shadow(h-shadow v-shadow blur spread color);`

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h-shadow: Set the horizontal offset of the shadow; negative values are allowed , negative values will cause the shadow to appear on the left side of the element.

v-shadow: Set the vertical offset of the shadow; negative values are allowed, and negative values will cause the shadow to appear above the element.

blur: Set the blur of the shadow. The larger the value, the blurrier the shadow will be. The shadow will become larger and lighter; negative values are not allowed. If not set, the default is 0 (the boundary of the shadow is very small). sharp).

spread: Set the size of the shadow. Positive values will cause the shadow to expand and become larger, while negative values will cause the shadow to shrink. If not set, the default is 0 (the shadow will be the same size as the element).
Note: Spread is not supported in Webkit and some other browsers, and it will not render if added.

color: Set the shadow color; if not set, the color value is based on the browser, it is recommended to set the color.

Summary: The above is the complete content of the two methods of adding shadows to images with CSS. I hope it will be helpful to everyone's learning. For more related tutorials, please visit CSS3 Video Tutorial, Html5 Video Tutorial, bootstrap Video Tutorial!

The above is the detailed content of How to add shadow effect to images with css? Two ways to add shadows to pictures (code examples). For more information, please follow other related articles on the PHP Chinese website!

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