Question

我正在为一个我即将发布的网站开发一个css，我在导航栏中花了很多时间，我试图制作导航栏而不使用图像并使其适合用户屏幕，并且在我完成之后它，我有一个问题，我希望子列表项在2秒内放下smothley而不是直接弹出

这是CSS和HTML 我在.nav ul li ul li中完成了过渡属性，并希望在2秒后更改.nav ul li：hover ul li

对我很温柔，这是我从头开始开发的第一个网站:)

@charset "utf-8";

body {
	margin: 0px;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	width: 100%;
}
.pageHeader {
	position: relative;
	display: block;
	width: 960px;
	padding: 0px;
	/* [disabled]margin-top: auto;
*/
	margin-right: auto;
	margin-left: auto;
	/* [disabled]margin-bottom: auto;
*/
	float: none;
}
.pageHeader a {
	text-decoration: none;
	font-size: 1.4em;
	position: absolute;
	float: right;
	bottom: 50px;
}
.homeContent {
	position: relative;
	display: block;
	top: 105px;
	background: none repeat scroll 0% 0% #FFF;
	padding: 0px;
	margin: 0px auto;
	width: 960px;
	background-color: green;
	z-index: -1;
}

/* Navigation */
/* the nav div blue background color and cyan border top */
.nav {
	width: 100%;
	height: 50px;
	max-height:50px;
	border-top: 4px solid rgb(0,160,170);
	background: rgb(30,87,153); /* Old browsers */
	/* IE9 SVG, needs conditional override of 'filter' to 'none' */

	background: -moz-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* FF3.6+ */
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(30,87,153,1)), color-stop(99%, rgba(0,110,201,1)), color-stop(100%, rgba(125,185,232,1))); /* Chrome,Safari4+ */
	background: -webkit-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Chrome10+,Safari5.1+ */
	background: -o-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Opera 11.10+ */
	background: -ms-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* IE10+ */
	background: linear-gradient(to bottom, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1e5799', endColorstr='#7db9e8', GradientType=0 ); /* IE6-8 */
}


.nav ul {
	width: 960px;
	margin: 0px auto;
	border: 0px;
	padding: 0px;
}



.nav ul li {
	margin: 0px;
	border-left: 1px solid gray;
	padding: 0px;
	float: left;
	position: relative;
	list-style: none;
	font-family: amatic-sc;
}


.nav ul li:first-child {
	border-left: 0px;
}


/* buttons/ links */
.nav ul li a {
	height: 20px;
	border: 0px;
	margin: 0px;
	padding: 15px;
	font-weight: bold;
	color: #fff;
	text-decoration: none;
	display: block;
	text-shadow: 0 1px 1px rgba(251,251,251, .3);
}



.nav ul li a:hover {
	background: rgb(20,155,153); /* Old browsers */
	/* IE9 SVG, needs conditional override of 'filter' to 'none' */
	background: -moz-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* FF3.6+ */
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(20,155,153,1)), color-stop(99%, rgba(0,110,201,1)), color-stop(100%, rgba(125,185,232,1))); /* Chrome,Safari4+ */
	background: -webkit-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Chrome10+,Safari5.1+ */
	background: -o-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Opera 11.10+ */
	background: -ms-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* IE10+ */
	background: linear-gradient(to bottom, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#149b99', endColorstr='#7db9e8', GradientType=0 ); /* IE6-8 */
	color: #fff;
}
.nav ul li a:active {
	color: #D1D1D1;
}



/* Nav 2nd level*/

.nav ul li ul {
	display: none;
	margin: 0;
	padding: 0;
	width: 100px;
	position: absolute;
	top: 50px;
	left: 2px;
	background-color: rgba(255,255,255,0.80);
	border-left: 1px solid rgb(0,160,170);
	border-right: 1px solid rgb(0,160,170);
	border-bottom: 1px solid rgb(0,160,170);
}
.nav ul li ul li {
	float: none;
	margin: 0px;
	padding: 0px;
	font-size: 0.8em;
	border: 0px;
	font-color: black;
	max-height: 0px;
	-webkit-transition: max-height 2s ease 0s;
	-o-transition: max-height 2s ease 0s;
	-moz-transition: max-height 2s ease 0s;
	-ms-transition: max-height 2s ease 0s;
	transition: max-height 2s ease 0s;

}
.nav ul li ul li a {
	height: 15px;
	border: 0px;
	margin: 0px;
	padding: 5px;
	color: #000000;
	text-decoration: none;
	display: block;
	text-shadow: 0 1px 1px rgba(0,0,0, .3);
	z-index: 100;
}
.nav ul li:hover ul {
	display:block;
	
}

.nav ul li:hover ul li{
	max-height:999px;
}

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<link href="css/style_screen.css" rel="stylesheet" type="text/css">
</head>

<body>
<div id="mainPaegHeader" class="pageHeader"><img src="img/logo.gif" width="318" height="106" alt=""/>
<a href="">العربية</a>
</div>
<div class="nav">
  <ul>
    <li><a href="index.htm">Home</a></li>
    <li><a href="index.htm">Second Link</a>
    	<ul>
        	<li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
        </ul>
    </li>
    <li><a href="index.htm">Third Link</a>
    		<ul>
        	<li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
            <li><a href="index.htm">sub Link</a></li>
        </ul>
    </li>
    <li><a href="index.htm">More links</a></li>
    <li><a href="index.htm">More links</a></li>
    <li><a href="index.htm">More links</a></li>
    <li><a href="index.htm">More links</a></li>
  </ul>
 </div>
<div class="homeContent" id="pageContent">Content for  class "homeContent" id "pageContent" Goes Here</div>
<p>&nbsp;</p>
</body>
</html>

Answer 1

谢谢大家的帮助和努力这是skube提到的一个小小的简单错误我正在使用显示转换，这是invaild，它禁用动画所以我使用了带有转换的可见属性能见度：隐藏; 能见度：可见; 我更改了一些css属性以使其工作，这是修复后的css文件

@charset "utf-8";

body {
    margin: 0px;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px;
    width: 100%;
}
.pageHeader {
    position: relative;
    display: block;
    width: 960px;
    padding: 0px;
    /* [disabled]margin-top: auto;
*/
    margin-right: auto;
    margin-left: auto;
    /* [disabled]margin-bottom: auto;
*/
    float: none;
}
.pageHeader a {
    text-decoration: none;
    font-size: 1.4em;
    position: absolute;
    float: right;
    bottom: 50px;
}
.homeContent {
    position:relative;
    background: none repeat scroll 0% 0% #FFF;
    padding: 0px;
    margin: 0px auto;
    width: 960px;
    background-color: green;
    z-index: -1;
}

/* Navigation */
/* the nav div blue background color and cyan border top */
.nav {
    width: 100%;
    height: 50px;
    max-height:50px;
    border-top: 4px solid rgb(0,160,170);
    background: rgb(30,87,153); /* Old browsers */
    /* IE9 SVG, needs conditional override of 'filter' to 'none' */

    background: -moz-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(30,87,153,1)), color-stop(99%, rgba(0,110,201,1)), color-stop(100%, rgba(125,185,232,1))); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* IE10+ */
    background: linear-gradient(to bottom, rgba(30,87,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1e5799', endColorstr='#7db9e8', GradientType=0 ); /* IE6-8 */
}


.nav ul {
    width: 960px;
    margin: 0px auto;
    border: 0px;
    padding: 0px;
}



.nav ul li {
    margin: 0px;
    border-left: 1px solid gray;
    padding: 0px;
    float: left;
    position: relative;
    list-style: none;
    font-family: amatic-sc;
}


.nav ul li:first-child {
    border-left: 0px;
}


/* buttons/ links */
.nav ul li a {
    height: 20px;
    border: 0px;
    margin: 0px;
    padding: 15px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
    display: block;
    text-shadow: 0 1px 1px rgba(251,251,251, .3);
}



.nav ul li a:hover {
    background: rgb(20,155,153); /* Old browsers */
    /* IE9 SVG, needs conditional override of 'filter' to 'none' */
    background: -moz-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(20,155,153,1)), color-stop(99%, rgba(0,110,201,1)), color-stop(100%, rgba(125,185,232,1))); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* IE10+ */
    background: linear-gradient(to bottom, rgba(20,155,153,1) 0%, rgba(0,110,201,1) 99%, rgba(125,185,232,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#149b99', endColorstr='#7db9e8', GradientType=0 ); /* IE6-8 */
    color: #fff;
}
.nav ul li a:active {
    color: #D1D1D1;
}



/* Nav 2nd level*/
.nav ul li ul {
    visibility: hidden;
    margin: 0;
    padding: 0;
    width: 100px;
    position: absolute;
    top: 50px;
    left: 2px;
    -webkit-transition: all 1s ease-in-out 0s;
    -o-transition: all 1s ease-in-out 0s;
    transition: all 1s ease-in-out 0s;
    max-height: 0px;
}
.nav ul li ul li{
    float: none;
    margin: 0px;
    padding: 0px;
    font-size: 0.8em;
    border: 0px;
    font-color: black;
    -webkit-transition: all 1s ease-in-out 0s;
    -o-transition: all 1s ease-in-out 0s;
    transition: all 1s ease-in-out 0s;
    max-height: 0px;
    border-width: 0px;



}
.nav ul li ul li a {
    height: 12px;
    border-left: 1px solid rgb(0,160,170);
    border-right: 1px solid rgb(0,160,170);
    border-collapse:collapse;
    background-color: rgba(255,255,255,0.80);
    margin: 0px;
    padding: 5px;
    color: #000000;
    text-decoration: none;
    text-shadow: 0 1px 1px rgba(0,0,0, .3);
    z-index: 100;
}
.nav ul li ul li:last-child a{
    border-bottom: 1px solid rgb(0,160,170);}

.nav ul li:hover ul {
    max-height:999px;
    visibility:visible;
}

.nav ul li:hover ul li{
    max-height:999px;}

CSS转换不起作用，但财产变化正在发挥作用

1 个答案: