效果图如下↓↓↓↓↓ (知识点见代码注释)
HTML
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>CSS3实现鼠标悬停显示消息提示框</title> 6 <meta http-equiv="X-UA-compatible" contnet="IE=edge"> 7 <meta name="viewport" content="width=device-width" initial-scale="1"> 8 <link rel="stylesheet" href="css/style.css"> 9 <link rel="stylesheet" href="css/font-awesome.min.css"> 10 </head> 11 <body> 12 <div class="nav"> 13 <ul> 14 <li> 15 <a href="#" class="tooltip tooltip-effect-1">Home 16 <!-- 应用SVG做背景图片 --> 17 <span class="tooltip-content"> 18 <!-- 应用文字图片,fa:Icon公共类; fa-camera:相机Icon; fa-fw:使i标签display:block; fa-spin:Icon动画效果; fa-border:Icon具有圆角边框; --> 19 <i class="fa fa-camera fa-fw"></i> 20 </span> 21 </a> 22 </li> 23 <li> 24 <a href="#" class="tooltip tooltip-effect-2">About me 25 <span class="tooltip-content"><i class="fa fa-heartbeat fa-fw"></i></span> 26 </a> 27 </li> 28 <li> 29 <a href="#" class="tooltip tooltip-effect-3">Photography 30 <span class="tooltip-content"><i class="fa fa-diamond fa-fw"></i></span> 31 </a> 32 </li> 33 <li> 34 <a href="#" class="tooltip tooltip-effect-4">Work 35 <span class="tooltip-content"><i class="fa fa-cogs fa-fw"></i></span> 36 </a> 37 </li> 38 <li> 39 <a href="#" class="tooltip tooltip-effect-5">Contact 40 <span class="tooltip-content"><i class="fa fa-comments fa-fw"></i></span> 41 </a> 42 </li> 43 </ul> 44 </div> 45 </body> 46 </html>
CSS
1 html {
2 width:100%;
3 height:100%;
4 /*屏幕旋转时文字大小不发生改变;*/
5 -webkit-text-size-adjust:none;
6 }
7 body {
8 margin: 0;
9 padding: 0;
10 width:100%;
11 height:100%;
12 background: #47c9af;
13 color:#74777b;
14 font-weight: 300;
15 font-size: 1.5em;
16 font-family:"Raleway","Arial";
17 }
18 ul {
19 list-style: none;
20 padding: 0;
21 margin: 0;
22 }
23 a:link,a:visited,a:focus {
24 text-decoration: none;
25 outline: none;
26 }
27
28 *,*:after,*:before {
29 /*padding(填充)和border(边框)都不要影响盒子原先设定的大小;*/
30 -webkit-box-sizing:border-box;
31 }
32 *:after,*:before {
33 display: block;
34 content:"";
35 }
36 /*清除浮动*/
37 *:after {
38 clear:both;
39 }
40
41 /*Navgaitor*/
42 .nav {
43 width:800px;
44 height:300px;
45 margin:200px auto;
46 }
47 .nav li {
48 display: inline-block;
49 margin:0 1em;
50 }
51 .tooltip {
52 display: inline-block;
53 font-weight: 700;
54 color:rgba(0,0,0,0.3);
55 padding:0.15em 0.25em 0 0;
56 position: relative;
57 z-index: 999;
58 transition: 0.4s;
59 }
60 .tooltip:hover {
61 color:rgba(255,255,255,1);
62 }
63 .tooltip-content {
64 position: absolute;
65 z-index: 9999;
66 width:80px;
67 height:80px;
68 /*span相对于父元素a垂直居中:
69 left:50%;span的左侧距离a的左侧是a宽度一半的距离;
70 margin-left:-40px;左移相对于自身宽度的一半;
71 bottom:100%;span的底部距离a的底部是a高度一倍的距离,刚好在a的正上方;
72 */
73 left:50%;
74 margin-left: -40px;
75 bottom:100%;
76 margin-bottom: 20px;
77 text-align: center;
78 padding-top: 22px;
79 /*应用svg文件做背景图片;*/
80 background:url(../img/tooltip1.svg) no-repeat center center;
81 opacity: 0;
82 transition: 0.4s;
83 }
84 .tooltip-content i {
85 font-style: normal;
86 font-size: 30px;
87 color:#47c9af;
88 opacity: 0;
89 transition: 0.3s;
90 }
91 .tooltip-effect-1 .tooltip-content {
92 /*
93 translate3d(0,10px,0):元素沿Y轴向下移动10px;
94 rotate3d(1,1,1,45deg):元素分别在X轴,Y轴和Z轴旋转45°;
95 transform-origin:50% 100%;元素以本身计算出的位置为中心点;
96 */
97 transform: translate3d(0,10px,0) rotate3d(1,1,1,45deg);
98 transform-origin :50% 100%;
99 }
100 .tooltip-effect-1 .tooltip-content i {
101 /*
102 元素在X轴和Y轴上缩放0倍(最小化),在Z轴缩放1倍(不缩放);
103 */
104 transform:scale3d(0,0,1);
105 }
106 .tooltip-effect-2 .tooltip-content {
107 transform: translate3d(0,20px,0);
108 }
109 .tooltip-effect-2 .tooltip-content i {
110 transform:translate3d(0,15px,0);
111 }
112 .tooltip-effect-3 .tooltip-content {
113 transform:translate3d(0,10px,0) rotate3d(0,1,0,90deg);
114 transform-origin:50% 100%;
115 }
116 .tooltip-effect-3 .tooltip-content i {
117 transform:scale3d(0,0,1);
118 }
119 .tooltip-effect-4 .tooltip-content {
120 transform:translate3d(0,-20px,0);
121 }
122 .tooltip-effect-4 .tooltip-content i {
123 transform:translate3d(0,20px,0);
124 }
125 .tooltip-effect-5 .tooltip-content {
126 transform:scale3d(0,0,1);
127 transform-origin:50% 100%;
128 }
129 .tooltip-effect-5 .tooltip-content i {
130 transform:translate3d(0,20px,0);
131 }
132 /*划过效果,所有效果归位0;*/
133 .tooltip:hover .tooltip-content,
134 .tooltip:hover .tooltip-content i {
135 opacity:1;
136 transform:translate3d(0,0,0) rotate3d(1,1,1,0) scale3d(1,1,1);
137 }
注:Icon字体引用自 Font Awesome Icons 下载链接 课程链接
时间： 2024-09-29 00:48:16