• 2022-06-17
    下列代码如何简写: background-image: url(tp.jpg); background-position:centertop; background-repeat:no-repeat;
    A: ackground: url(tp.jpg) no-repeat centertop;
    B: ackground: no-repeat centertop url(tp.jpg);
    C: ackground: url(tp.jpg) centertopno-repeat;
  • 举一反三