CSS - 缓慢悬停效果

joe*_*g07 12 html css

我正在创建一个CSS动态菜单,并希望延迟悬停操作.菜单在悬停在其链接上时的反应是提供子菜单(下拉菜单).

我想减慢下拉过程,以便子菜单不会立即出现,但需要1秒才能下拉.非常感谢帮助.

代码如下:

<html>

<head>
<style>
#navMenu{
    margin:0;
    padding:0;
}
#navMenu ul{
    margin:0;
    padding:0;

}
#navMenu li{
    margin-right:2px;
    padding:0;
    list-style:none;
    float:left;
    position:relative;
    background:#CCC;
}
#navMenu ul li a{
    text-align:center;
    font-family:sans-serif, cursive;
    text-decoration:none;
    height:30px;
    width:150px;
    display:block;
    color:#000;
    border:10px;
  -webkit-transition: background-color 0.1s;
  -moz-transition: background-color 0.1s;
  -o-transition: background-color 0.1s;
  transition: background-color 0.1s;
}
#navMenu ul ul{
        position:absolute;
        visibility:hidden;
  -webkit-transition: background-color 0.1s;
  -moz-transition: background-color 0.1s;
  -o-transition: background-color 0.1s;
  transition: background-color 0.1s;
}

#navMenu ul li:hover ul{
    visibility:visible; 
  -webkit-transition: background-color 0.1s;
  -moz-transition: background-color 0.1s;
  -o-transition: background-color 0.1s;
  transition: background-color 0.1s;
}


</style>
</head>

<body>
<div id="wrapper"><!--beginning of wrapper div-->
<div id="navMenu"><!--Beginning of Nav Menu-->
    <ul><!--Beginning of main UL-->
      <li><a href="#">About Us</a>
            <ul><!--Begining of Internal UL-->
                <li><a href="#">Link item </a></li>
                <li><a href="#">Link item </a></li>
                <li><a href="#">Link item </a></li>
                <li><a href="#">Link item </a></li>
            </ul>
     </li>
     <li><a href="#">Contact Us</a></li>
  </ul><!--End of Main UL --></div>
</div>
<p>&nbsp;</p>

</body>

</html>
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提前致谢 :)

问候,

约瑟夫

Edw*_*ard 12

您可以ease在转换中添加.

transition: all .4s ease;
-webkit-transition: all .4s ease;
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Max*_*hov 10

您可以使用css transition-delay属性,如下所示:

transition-delay: 1s; /* delays for 1 second */
-webkit-transition-delay: 1s; /* for Safari & Chrome */
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在此处查找更多信息http://www.w3schools.com/cssref/css3_pr_transition-delay.asp


Joe*_*Joe 7

您可以使用该transition-delay属性.

小提琴

更新

由于您希望动画在一秒钟内完成,因此您只需将其表示为持续时间.例如: transition: background-color 1s linear;

更新小提琴