文字背景图

<p>填充文字</p>
p{
  width: 1000px;
  height: 1000px;
  color: #fff;
  overflow: hidden;
  font-size: 14px;
  line-height: 14px;
  margin: 0 auto;
  background: url(./img/1000.jpg) no-repeat;
  background-size: contain;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: grayscale(1);
}