CSS自动伸缩的文本输入框

2014-05-01 03:07:46 -0400

此代码仅供参考

代码说明

CSS实现自动伸缩的文本输入框，鼠标点击的时候，文本框会自动伸长，不输入的时候恢复原样，能点小智能的感觉，希望大家喜欢。

html代码

<Style>
body{ background:#fff}
input[type=text],
input[type=password],
textarea {
	background: #fafafa;
	-moz-box-shadow: inset 1px 1px 10px rgba(0,0,0,0.1);
	-webkit-box-shadow: inset 1px 1px 10px rgba(0,0,0,0.1);
	box-shadow: inset 1px 1px 10px rgba(0,0,0,0.1);
	border: 1px solid #ddd;
	color: #888;
}
input[type=text]:focus,
textarea:focus {
	color: #373737;
	border:1px red solid;
}
input#s {
	-moz-border-radius: 2px;
	border-radius: 2px;
	font-size: 14px;
	height: 22px;
	line-height: 1.2em;
	padding: 4px 10px 4px 28px;
}
/* Assistive text */
.assistive-text {
	position: absolute !important;
	clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
	clip: rect(1px, 1px, 1px, 1px);
}

/* Search Form */
#nav-bottom-menu #searchform {
	position: absolute;
	top: 19px;
	right: 20px;
	text-align: right;
}
#branding #searchform {
	position: relative;
	top: -7.6em;
	text-align: right;
}
#branding #searchform div, #nav-bottom-menu #searchform div  {
	margin: 0;
}
#branding #s, #nav-bottom-menu #s {
	background-color: #f9f9f9;
	-webkit-transition-duration: 400ms;
	-webkit-transition-property: width, background;
	-webkit-transition-timing-function: ease;
	-moz-transition-duration: 400ms;
	-moz-transition-property: width, background;
	-moz-transition-timing-function: ease;
	-o-transition-duration: 400ms;
	-o-transition-property: width, background;
	-o-transition-timing-function: ease;
	width: 80px;
}
#branding #s:focus, #nav-bottom-menu #s:focus {
	background-color: #f9f9f9;
	width: 160px;
}
#branding #searchsubmit, #nav-bottom-menu #searchsubmit {
	display: none;
}
</style>

<body>
		<div id="nav-bottom-menu">
	    <form method="get" id="searchform" action="/">
		<label for="s" class="assistive-text">Search</label>
		<input type="text" class="field" name="s" id="s" placeholder="Search" />
		<input type="submit" class="submit" name="submit" id="searchsubmit" value="Search" />
	</form>
	</div>	
</body>

代码演示

请点击右上角输入框

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