话不多说，请看代码：
<Meta charset="UTF-8">
倒计时-多种格式<a href="https://www.jb51.cc/tag/diaoyong/" target="_blank" class="keywords">调用</a>-原生js封装
css-3*/
white-space: -moz-pre-wrap; /*Mozilla,since1999*/
white-space: -pre-wrap; /*Opera4-6*/
white-space: -o-pre-wrap; /*Opera7*/
word-wrap: break-word; /*InternetExplorer5.5+*/
}
.example{
padding-top:40px;
margin-bottom:90px;
}
.example .call{
padding:18px 5px;
background:#f0f5f8;
}
.example h2{
padding-top:20px;
margin-bottom:7px;
}
.example table {
width:100%;
table-layout:fixed;
border-collapse: collapse;
border-spacing: 0;
border: 1px solid #cee1ee;
border-left: 0;
}
.example thead {
border-bottom: 1px solid #cee1ee;
background-color: #e3eef8;
}
.example tr {
line-height: 24px;
font-size: 13px;
}
.example tr:nth-child(2n) {
background-color: #f0f5f8;
}
.example tr th,.example tr td {
border-left: 1px solid #cee1ee;
word-break: break-all;
word-wrap: break-word;
padding:0 10px;
font-weight: normal;
}
.example tr th {
color: #555;
padding-top: 2px;
padding-bottom: 2px;
text-align: left;
}
/*公共*/
.select-container {
width: 186px;
margin: 80px 0;
position: relative;
z-index: 10000;
}
.select-container .select-pose {
width: 150px;
height: 24px;
line-height: 24px;
display: block;
color: #807a62;
cursor: pointer;
font-style: normal;
padding-left: 4px;
padding-right: 30px;
border: 1px solid #333333; /* background: url(xjt.png) no-repeat right center; */
}
.select-pose:before {
content: '';
position: absolute;
right: 7px;
bottom: 7px;
width: 0;
height: 0;
border-width: 4px;
border-style: solid;
border-color: #888 transparent transparent transparent;
transition: all 0.2s;
-webkit-transition: all 0.2s;
-moz-transition: all 0.2s;
-o-transition: all 0.2s;
-ms-transition: all 0.2s;
transform-origin: 50% 25%;
-ms-transform-origin: 50% 25%;
-moz-transform-origin: 50% 25%;
-webkit-transform-origin: 50% 25%;
-o-transform-origin: 50% 25%;
}
.extended.select-pose:before {
transform: rotate(180deg);
-webkit-transform: rotate(180deg);
-moz-transform: rotate(180deg);
-o-transform: rotate(180deg);
-ms-transform: rotate(180deg);
}
.select-container .select-content {
width: 184px;
border: 1px solid #333333;
background-color: #ffffff;
position: absolute;
z-index: 20000;
margin-top: -1px;
display: none;
overflow: hidden;
}
.select-list{
cursor: pointer;
height: 24px;
line-height: 24px;
padding-left: 10px;
}
@H_404_14@
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