요소 변경 요소 css 를 집중시킬 때

요소 변경 요소 css 를 집중시킬 때

  <input class="inputTag" type="text" value="">

	//The input button must be placed at the top.
	Otherwise the focus will not work .

  <h1 class="h1Tag">Safin</h1>


	.h1Tag {
      background: gray;
    }

    .inputTag:focus+.h1Tag {
      background: blue;
    }



// My youtube:'https://www.youtube.com/HasibulIslambd'