#above{
	background: url(../images/trivia/img_title.jpg) 50% 0 no-repeat fixed;
	background-size: cover;
	color: white;
    height: 400px;
    margin-top: -44px;
    padding: 0;
}

.container{
	height: 750px;
}

.text-center{
	width: 298px;
}

.line{
	width: 36px;
	border-bottom: 3px solid rgb(50, 55, 60);
	float: auto;
	margin: auto;
	margin-top: 36px;
}

img{
	width: 600px;
	float: auto;
	margin: 25px auto;
	margin-left: 190px;
}

.hover {position:relative;}

.hover img {
  position: absolute;
  /* CSS3淡出淡入效果,1秒 */
  -webkit-transition: opacity 0.5s ease-in-out;
  -moz-transition: opacity 0.5s ease-in-out;
  -o-transition: opacity 0.5s ease-in-out;
  transition: opacity 0.5s ease-in-out;
}

.hover img:nth-of-type(2):hover{
  opacity: 0; /*滑鼠滑入時，透明度變0*/
}