 0.5%, white 5%);
	background-position: center left;
	background-size: 99.5% 100%;
}
div.gradline {top: 50%;
	margin: -5px 0 0; height: 10px;}
div.imagebox {position: relative; width: 100%; height: 100%; border: 1px dotted red;}
</style>
</head>
<body>


<div class="clip">
<div class="contain ex01">
<div class="perpend"><b></b></div>
<div class="perpend-mask"><b></b></div>
<div class="imagebox"><b></b></div>
<div class="gradline"><b></b></div>
</div>
</div>

<div class="clip">
<div class="contain ex02">
<di