NLForm美化select弹出下拉选择框效果代码-html代码-BFW代码库

代码语言：html

代码描述：NLForm美化select弹出下拉选择框效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" class="no-js">
<head>
<meta charset="UTF-8" />
<style>


/* general style for the form */
.nl-form {
	width: 100%;
	margin: 0.3em auto 0 auto;
	font-size: 4em;
	line-height: 1.5;
}

.nl-form ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

/* normalize the input elements, make them look like everything else */
.nl-form input,
.nl-form select,
.nl-form button {
	border: none;
	background: transparent;
	font-family: inherit;
	font-size: inherit;
	color: inherit;
	font-weight: inherit;
	line-height: inherit;
	display: inline-block;
	padding: 0;
	margin: 0;
	-webkit-appearance: none;
	-moz-appearance: none;
}

.nl-form input:focus {
	outline: none;
}

/* custom field (drop-down, text element) styling  */
.nl-field {
	display: inline-block;
	position: relative;
}

.nl-field.nl-field-open {
	z-index: 10000;
}

/* the toggle is the visible part in the form */
.nl-field-toggle,
.nl-form input,
.nl-form select  {
	line-height: inherit;
	display: inline-block;
	color: #b14943;
	cursor: pointer;
	border-bottom: 1px dashed #b14943;
}

/* drop-down list / text element */
.nl-field ul {
	position: absolute;
	visibility: hidden;
	background: #76C3BD;
	left: -0.5em;
	top: 50%;
	font-size: 80%;
	opacity: 0;
	-webkit-transform: translateY(-40%) scale(0.9);
	-moz-transform: translateY(-40%) scale(0.9);
	transform: translateY(-40%) scale(0.9);
	-webkit-transition: visibility 0s 0.3s, opacity 0.3s, -webkit-transform 0.3s;
	-moz-transition: visibility 0s 0.3s, opacity 0.3s, -moz-transform 0.3s;
	transition: visibility 0s 0.3s, opacity 0.3s, transform 0.3s;
}

.nl-field.nl-field-open ul {
	visibility: visible;
	opacity: 1;
	-webkit-transform: translateY(-50%) scale(1);
	-moz-transform: translateY(-50%) scale(1);
	transform: translateY(-50%) scale(1);
	-webkit-transition: visibility 0s 0s, opacity 0.3s, -webkit-transform 0.3s;
	-moz-transition: visibility 0s 0s, opacity 0.3s, -moz-transform 0.3s;
	transition: visibility 0s 0s, opacity 0.3s, transform 0.3s;
}

.nl-field ul li {
	color: #fff;
	position: relative;
}

.nl-dd ul li {
	padding: 0 1.5em 0 0.5em;
	cursor: pointer;
	white-space: nowrap;
}

.nl-dd ul li.nl-dd-checked {
	color: #478982;
}

.no-touch .nl-dd ul li:hover {
	background: rgba(0,0,0,0.05);
}

.no-touch .nl-dd ul li:hover:active {
	color: #478982;
}

/* icons for some elements */
.nl-dd ul li.nl-dd-checked:before,
.nl-submit:before,
.nl-field-go:before {
	font-family: 'nlicons';
	speak: none;
	font-style: normal;
	font-weight: normal;
	font-variant: normal;
	text-transform: none;
	-webkit-font-smoothing: antialiased;
}

.nl-dd ul li.nl-dd-checked:before {
	content: ">";
	position: absolute;
	right: 1em;
	font-size: 50%;
	line-height: 3;
}

.nl-ti-text ul {
	min-width: 8em;
}

.nl-ti-text ul li.nl-ti-input input {
	width: 100%;
	padding: 0.2em 2em 0.2em 0.5em;
	border-bottom: none;
	color: #fff;
}

.nl-form .nl-field-go {
	position: absolute;
	right: 0;
	top: 0;
	height: 100%;
	cursor: pointer;
	background: rgba(0,0,0,0.1);
	width: 1.8em;
	text-align: center;
	color: transparent;
}

.nl-field-go:before {
	content: ">";
	font-size: 75%;
	color: #fff;
	width: 100%;
	line-height: 2.5;
	display: block;
}

/* custom placeholder color */
input::-webkit-input-placeholder {
	color: rgba(255,255,255,0.8);
}

input:active::-webkit-input-placeholder ,
input:focus::-webkit-input-placeholder {
	color: rgba(255,255,255,0.2);
}

input::-moz-placeholder {
	color: rgba(255,255,255,0.8);
}

input:active::-moz-placeholder,
input:focus::-moz-placeholder {
	color: rgba(255,255,255,0.2);
}

input:-ms-input-placeholder {  
	color: rgba(255,255,255,0.8);
}

input:active::-ms-input-placeholder ,
input:focus::-ms-input-placeholder {
	color: rgba(255,255,255,0.2);
}

/* example field below text input */
.nl-ti-text ul li.nl-ti-example {
	font-size: 40%;
	font-style: italic;
	font-weight: 400;
	padding: 0.4em 1em;
	color: rgba(0,0,0,0.2);
	border-top: 1px dashed rgba(255,255,255,0.7);
}

.nl-ti-text ul li.nl-ti-example em {
	color: #fff
}

/* submit button */
.nl-submit-wrap {
	margin-top: 0.4em;
}

.nl-form .nl-submit {
	line-height: 3;
	text-transform: uppercase;
	cursor: pointer;
	position: relative;
	background: #76C3BD;
	color: #fff;
	padding: 0 1em 0 0;
	font-size: 40%;
	font-weight: bold;
	letter-spacing: 3px;
}

.nl-submit:before {
	content: "";
	color: #fff;
	float: left;
	padding: 0 0.7em;
	margin: 0 0.8em 0 0;
	background: #69B1A9;
}

.no-touch .nl-form .nl-submit:hover,
.no-touch .nl-form .nl-submit:active {
	background: #69B1A9;
}

.no-touch .nl-form .nl-submit:hover:before {
	background: #58a199;
}

/* overlay becomes visible when a field is opened */
.nl-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0,0,0,0.5);
	opacity: 0;
	z-index: 9999;
	visibility: hidden;
	-webkit-transition: visibility 0s 0.3s, opacity 0.3s;
	-moz-transition: visibility 0s 0.3s, opacity 0.3s;
	transition: visibility 0s 0.3s, opacity 0.3s;
}

.nl-field.nl-field-open ~ .nl-overlay {
	opacity: 1;
	visibility: visible;
	-webkit-transition-delay: 0s;
	-moz-transition-delay: 0s;
	transition-delay: 0s;
}

@media screen and (max-width: 45em) {
	.nl-form {
		font-size: 3em;
	}
}

@media screen and (max-width: 25em) {
	.nl-form {
		font-size: 2em;
	}
}
</style>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/modernizr.custom.2.8.1.js"></script>

</head>
<body>

<div style="height:120px;"></div>

<div class="main clearfix">
	<form id="nl-form" class="nl-form">
		我承认我是
		<select>
			<option value="1" selected>笨猪</option>
			<option value="2">二货</option>
			<option value="3">笨蛋</option>
			<option value="4">流氓</option>
		</select>
		<br />在我的
		<select>
			<option value="1" selected>猪圈里</option>
			<option value="2">鸟窝里</option>
			<option value="3">鸡笼里</option>
		</select>
		睡觉
		<br />每日
		<select>
			<option value="1" selected>任何时间</option>
			<option value="1">早上7点</option>
			<option value="2">早上8点</option>
			<option value="3">早上9点</option>
		</select>
		去<input type="text" value="" placeholder="上班" data-subline="例如:<em>运动</em> or <em>旅游</em>"/>
		<div class="nl-submit-wrap">
			<button class="nl-submit" type="submit">表单提交</button>
		</div>
		<div class="nl-overlay"></div>
	</form>
</div>

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