/* 
	  #main-3 .row1 ul li:first-child img {
		transition: all 0.1s ease;
	  }

	 
	  #main-3 .row1 ul li:first-child img:hover {
		content: url('/img/main-3-img1hover.png'); 
	  }

	  #main-4 .row1 img {
		transition: all 0.1s ease;
	  }

	 
	  #main-4 .row1 img:hover {
		content: url('/img/main-4-img1hover.png'); 
	  }

	  #main-5 .main_detail ul li:first-child img {
		transition: all 0.1s ease;
	  }

	
	  #main-5 .main_detail ul li:first-child img:hover {
		content: url('/img/main-5-img1hover.png');
	  } */