The img tag only sets the width and height, but does not set the src attribute. The picture has a border.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
img{
width: 100px;
height: 100px;
}
</style>
</head>
<body>
<img src="" alt="">
</body>
</html>img picture:
Solution:
img:not([src]){
opacity:0;
}Using a negative pseudo-class selector in CSS and setting the transparency of the img without the src attribute to 0 can solve the problem of images with borders.