.container {
	max-width:400px;
	width:95%;
	margin:20px auto;
	position:relative;
}

#merchantAdd input[type="text"], #merchantAdd input[type="email"], #merchantAdd input[type="tel"], #merchantAdd input[type="url"], #merchantAdd textarea, #merchantAdd button[type="submit"] { font:400 12px/16px "Arial", Helvetica, sans-serif; }

#merchantAdd {
	background:#F9F9F9;
	padding:25px;
	margin:5px 0;
}

#merchantAdd h3 {
	color: #F96;
	display: block;
	font-size: 22px;
	font-weight: 400;
}

#merchantAdd h4 {
	margin:5px 0 15px 5px;
	display:block;
	font-size:13px;
}

fieldset {
	border: medium none !important;
	margin: 0 0 10px;
	min-width: 100%;
	padding: 0;
	width: 100%;
}

#merchantAdd input[type="text"], #merchantAdd input[type="email"], #merchantAdd input[type="tel"], #merchantAdd input[type="url"], #merchantAdd textarea {
	width:100%;
	border:1px solid #CCC;
	background:#FFF;
	margin:0 0 5px;
	padding:10px;
        box-sizing: border-box;
        -webkit-box-sizing: border-box;
}

#merchantAdd input[type="text"]:hover, #merchantAdd input[type="email"]:hover, #merchantAdd input[type="tel"]:hover, #merchantAdd input[type="url"]:hover, #merchantAdd textarea:hover {
	-webkit-transition:border-color 0.3s ease-in-out;
	-moz-transition:border-color 0.3s ease-in-out;
	transition:border-color 0.3s ease-in-out;
	border:1px solid #AAA;
}

#merchantAdd textarea {
	height:100px;
	max-width:100%;
  resize:none;
}

#merchantAdd button[type="submit"] {
	cursor:pointer;
	width:100%;
	border:none;
	background:#3B4553;
	color:#FFF;
	margin:0 0 5px;
	padding:10px;
	font-size:15px;
}

#merchantAdd button[type="submit"]:hover {
	background:rgb(125, 130, 138);
	-webkit-transition:background 0.3s ease-in-out;
	-moz-transition:background 0.3s ease-in-out;
	transition:background-color 0.3s ease-in-out;
}

#merchantAdd button[type="submit"]:active { box-shadow:inset 0 1px 3px rgba(0, 0, 0, 0.5); }

#merchantAdd input:focus, #merchantAdd textarea:focus {
	outline:0;
	border:1px solid #999;
}
::-webkit-input-placeholder {
 color:#ccc;
}
:-moz-placeholder {
 color:#ccc;
}
::-moz-placeholder {
 color:#ccc;
}
:-ms-input-placeholder {
 color:#ccc;
}

/* 无效 */
input:required:invalid{}
/* 有效 */
input:required:valid{}