通过查看代码,发现实现该功能的程序猿(也可能是媛)是通过在背景渲染一张完整的image,前景的图片选择区域设置一个透明度为0.3的蒙版(图中的黑色背景区域), 然后在选择区域(图中绿色方框)的背景区域再渲染一张image,再通过动态设置background-position的top、left和size来达到预览并获取选中区域图片的目的。 html结构如下...
a{position:relative;display:inline-block;font-size:14px;color:#a81c2e;border:1px solid;border-radius:30px;padding:15px 40px; }a:before{position:absolute;width:98%;height:100%;content:'';display:block;border:1px solid;border-radius:30px;border-image:linear-gradient(to right, #9f1a2c, #...
Uses an image as the border of an element Creates rounded corners on an element Submit Answer » CSS Border Image Properties PropertyDescription border-imageA shorthand property for setting all the border-image-* properties border-image-sourceSpecifies the path to the image to be used as a bor...
Note that both the border-style and border-width must be specified (not set to none or 0) for border-images to work.Resources: MDN Web Docs - Border image WebPlatform DocsCan I use... Browser support tables for modern web technologies Created & maintained by @Fyrd, design by @Lensco....
border-left-image border-corner-image: border-top-left-image border-top-right-image border-bottom-left-image border-bottom-right-image 代码: border-image: url(border.png) 27 27 27 27 round round; 效果图: 或: border-image: url(border.png) 27 27 27 27 stretch stretch; ...
css3 borderimg边框图片 摘自http://www.html-js.com/article/CSS3-tutorial-css3borderimage-frame-image-Xiangjie-onborder-image摘要其实我[border-image属性]是用来给元素边框添加背景图像,在某些时候,利用这个border... css3 border img 边框 图片
一、border-radius和border-image简介 border-radius:允许您为元素添加圆角边框! border-image:属性来构造漂亮的可伸缩按钮!(例:渐变图片) // 渐变border-image:linear-gradient(135deg,rgba(183,40,255,1),rgba(40,112,255,1))22;// 圆角border-radius:10px; ...
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border-image属性很容易记,它允许你将图片或CSS渐变形状作为一个元素的边框。 .module {border-image: url(border.png) 25 25 round;} 该属性能被应用于任何元素,但当表格元素(如` tr,th,td `)的border-collapse属性值为collapse时border-image属性无效。
border-image-outset .module{border-image-source: url(border.png);border-image-slice: 20;border-image-width: 20;} 该属性值指定了边框图像区域从边框盒子向外延伸的距离。初始值为0。该属性接受最多4个为正的长度值或无单位数字。长度值即为向外延伸的确定距离,无单位数字则要与边框宽度相乘得到向外延伸...