How to make a 0.5 pixel line in css
This time I will show you how to make a 0.5 pixel line with css. What are the precautions for making a 0.5 pixel line with css? The following is a practical case, let’s take a look.
The company’s designers use iPhone 6 (width is 750 physical pixels) as the benchmark when making design drawings. The device pixel ratio of iPhone 6 (that is, the ratio of CSS pixels to physical pixels) is 2, so when the designer designs a box with a border of 1px, it is 0.5 pixels relative to the CSS code. For this problem, the most intuitive way is to directly set the border to 0.5px with css. After testing, the iPhone can display it normally. CSS3 has a zoom attribute. We can use this attribute to reduce the 1px border by 50% to achieve this function. The specific implementation code is as follows
<p class="border3"> <p class="content">伪类设置的边框</p> </p>
.border3{
position: relative;
}
.border3:before{
content: '';
position: absolute;
width: 200%;
height: 200%;
border: 1px solid red;
-webkit-transform-origin: 0 0;
-moz-transform-origin: 0 0;
-ms-transform-origin: 0 0;
-o-transform-origin: 0 0;
transform-origin: 0 0;
-webkit-transform: scale(0.5, 0.5);
-ms-transform: scale(0.5, 0.5);
-o-transform: scale(0.5, 0.5);
transform: scale(0.5, 0.5);
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}box model to 0.5
7, adjust the position of the box model, Taking the upper left corner as the benchmark transform-origin: 0 0;The implementation result is displayed on the iPhone as follows:
Detailed explanation of the use of pointer-events in css3
Detailed explanation of the use of focus-within
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