首页htmlbackground_sizeCSS Property Value - 如何background-size: 100%1.7em; 对段落中的每一行重复

CSS Property Value - 如何background-size: 100%1.7em; 对段落中的每一行重复

我们想知道如何background-size: 100%1.7em; 对段落中的每一行重复。

<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
p {
  font-weight: 200;
  font-size: 1.7em;
  line-height: 1.7em;
  background: -webkit-linear-gradient(-90deg, #000 1px, rgba(0, 0, 0, 0)
    1px, rgba(0, 0, 0, 0) 100%);
  background: -moz-linear-gradient(-90deg, #000 1px, rgba(0, 0, 0, 0) 1px,
    rgba(0, 0, 0, 0) 100%);
  background: linear-gradient(180deg, #000 1px, rgba(0, 0, 0, 0) 1px,
    rgba(0, 0, 0, 0) 100%);
  background-size: 100% 1.7em;
}
</style>
</head>
<body>
  <p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed
    diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam
    erat, sed diam voluptua. At vero eos et accusam et justo duo dolores
    diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam
    erat, sed diam voluptua. At vero eos et accusam et justo duo dolores
    diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam
    erat, sed diam voluptua. At vero eos et accusam et justo duo dolores
    diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam
    erat, sed diam voluptua. At vero eos et accusam et justo duo dolores
    diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam
    erat, sed diam voluptua. At vero eos et accusam et justo duo dolores
    et ea rebum.</p>
</body>
</html>