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h4 {
	margin-left:20px;
	color:white;
}
p {
	text-align:center;
}
.btn {
	width:100px;
	height:35px;
	border-radius:5px;
	font-size:16px;
	color:white;
	background-color:cornflowerblue;
}
.btn:hover,.btn:focus {
	background-color:#95b4ed;
}
.modal {
	display:none;
	width:100%;
	height:100%;
	position:fixed;
	left:0;
	top:0;
	z-index:1000;
	background-color:rgba(0,0,0,0.5);
}
.modal-content {
	display:flex;
	flex-flow:column nowrap;
	justify-content:space-between;
	width:50%;
	max-width:700px;
	height:auto;
	max-height:500px;
	margin:100px auto;
	border-radius:10px;
	background-color:#fff;
	-webkit-animation:zoom 0.6s;
	animation:zoom 0.6s;
	resize:both;
	overflow:auto;
}
@-webkit-keyframes zoom {
	from {
	-webkit-transform:scale(0)
}
to {
	-webkit-transform:scale(1)
}
}@keyframes zoom {
	from {
	transform:scale(0)
}
to {
	transform:scale(1)
}
}.modal-header {
	box-sizing:border-box;
	background-color:rgb( 23,65,91);
	border-bottom:1px solid #ccc;
	display:flex;
	justify-content:space-between;
	align-items:center;
}
.close {
	color:#b7b7b7;
	font-size:30px;
	font-weight:bold;
	margin-right:20px;
	transition:all 0.3s;
}
.close:hover,.close:focus {
	color:#95b4ed;
	text-decoration:none;
	cursor:pointer;
}
.modal-body {
	padding:10px;
	font-size:16px;
	box-sizing:border-box;
	height:auto;
}
.modal-footer {
	box-sizing:border-box;
	/*    border-top:1px solid #ccc;
	*/    display:flex;
	padding:15px;
	justify-content:flex-end;
	align-items:center;
}
.modal-footer button {
	width:60px;
	height:35px;
	padding:5px;
	box-sizing:border-box;
	margin-right:10px;
	font-size:16px;
	color:white;
	border-radius:5px;
	background-color:cornflowerblue;
}
.modal-footer button:hover,.modal-footer button:focus {
	background-color:#95b4ed;
	cursor:pointer;
}
@media only screen and (max-width:700px) {
	.modal-content {
	width:80%;
}
}

                        
↑上面代码改变,会自动显示代码结果 jQuery调用版本:1.11.3
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