纯 css 实现页面加载 loading 沙漏特效
HTML 代码：
<div >
<span >Loading…</span>
</div>
CSS 代码：
.container {
width: 100%;
height: 100%;
display: block;
position: fixed;
top: 0px;
left: 0px;
z-index: 9;
background: #ffffff;
}
@-moz-keyframes dots-loader {
0% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
8.33% {
-moz-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
16.67% {
-moz-box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
25% {
-moz-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
33.33% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
}
41.67% {
-moz-box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
50% {
-moz-box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
58.33% {
-moz-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
66.67% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
75% {
-moz-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
83.33% {
-moz-box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
}
91.67% {
-moz-box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
100% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
}
@-webkit-keyframes dots-loader {
0% {
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
8.33% {
-webkit-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
16.67% {
-webkit-box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
25% {
-webkit-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
33.33% {
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
}
41.67% {
-webkit-box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
50% {
-webkit-box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
58.33% {
-webkit-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
66.67% {
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
75% {
-webkit-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
83.33% {
-webkit-box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
}
91.67% {
-webkit-box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
100% {
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
}
@keyframes dots-loader {
0% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
8.33% {
-moz-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
16.67% {
-moz-box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 14px 14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
25% {
-moz-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
33.33% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae -14px -14px 0 7px;
}
41.67% {
-moz-box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
-webkit-box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
50% {
-moz-box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
-webkit-box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
58.33% {
-moz-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
-webkit-box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 -14px 14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
66.67% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 -14px -14px 0 7px,#6d7 -14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
75% {
-moz-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
-webkit-box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
box-shadow: #f86 14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px -14px 0 7px,#4ae 14px -14px 0 7px;
}
83.33% {
-moz-box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
-webkit-box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
box-shadow: #f86 14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae 14px 14px 0 7px;
}
91.67% {
-moz-box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px 14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
100% {
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
}
}/*:not(:required) hides this rule from IE9 and below */
.dots-loader:not(:required) {
overflow: hidden;
position: relative;
text-indent: -9999px;
display: inline-block;
width: 7px;
height: 7px;
background: transparent;
border-radius: 100%;
-moz-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-webkit-box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
box-shadow: #f86 -14px -14px 0 7px,#fc6 14px -14px 0 7px,#6d7 14px 14px 0 7px,#4ae -14px 14px 0 7px;
-moz-animation: dots-loader 5s infinite ease-in-out;
-webkit-animation: dots-loader 5s infinite ease-in-out;
animation: dots-loader 5s infinite ease-in-out;
-moz-transform-origin: 50% 50%;
-ms-transform-origin: 50% 50%;
-webkit-transform-origin: 50% 50%;
transform-origin: 50% 50%;
}
.hourglass {
width: 48px;
height: 96px;
position: absolute;
left: 50%;
top: 50%;
margin-left: -24px;
margin-top: -48px;
background: #58498E;
box-shadow: inset #58498E 0 0 0 0,inset #FFF 0 2em 0 0,inset #58498E 0 0 4em 0;
animation: hourglass 1s linear infinite;
}