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我有我使用HTML，CSS和JavaScript以及一些按钮创建的信息框的代码。我如何在每个按钮的顶部制作一个绿色条，与我在信息框顶部的类似？有谁知道我能做到这一点？任何帮助，欢呼。CSS按钮添加顶部栏
.everything {
text-align:center;
min-height:775px;
}
.everything:hover {
cursor: default;
}
#wrapper {
margin: 0 auto;
}
#wrapper img{
width:100%;
}
.infobox-list {
display: inline-block;
text-align: center;
}
ul, ol, li {
margin: 0;
padding: 0;
list-style-position: outside;
list-style-type: none;
}
h1, h2, h3, h4, h5, h6, ul, li, ol, form, fieldset {
margin: 0;
padding: 0;
}
*, *:before, *:after {
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
ul, menu, dir {
display: block;
list-style-type: disc;
-webkit-margin-before: 1em;
-webkit-margin-after: 1em;
-webkit-margin-start: 0px;
-webkit-margin-end: 0px;
-webkit-padding-start: 0px;
}
.hr {
border-color:rgba(255,255,255,0.3);
width: 210px;
}
body {
font-family: Arial, Helvetica, sans-serif;
font-size: 16px;
padding: 0;
margin: 0;
background-color: #fff;
color: #555;
min-width: 20em;
}
.info-boxes li {
width: 320px;
height: 550px;
background: rgba(255,255,255,0.3);
border: 1px solid rgba(21,100,102,0.35);
border-radius: 4px;
margin: 0 0px 0px;
position: relative;
overflow: hidden;
transform: scale(0.75);
}
.ptext
{
font-family:Verdana;
text-align:center;
font-size:24px;
color:#156466;
}
.profile
{
margin-top:10%;
margin-left:1px;
width:85px;
height:85px;
}
.learning
{
margin-top:10%;
width:85px;
height:85px;
}
.performance
{
margin-left:1px;
margin-top:10%;
width:85px;
height:85px;
}
.team
{
margin-top:10%;
width:85px;
height:85px;
}
.smallicons
{
width:60px;
height:60px;
}
.close {
font-size:25px;
position: absolute;
right: 0;
bottom: 0;
cursor:pointer;
left: 0;
padding: 2.35rem;
text-align: center;
}
.open {
font-size:25px;
position: absolute;
right: 0;
bottom: 0;
cursor:pointer;
left: 0;
padding: 1rem;
text-align: center;
}
.openimg {
height:20px;
width:20px;
}
.closeimg {
height:20px;
width:20px;
}
.infobox-list li {
display: inline-block;
}
a {
color: white;
text-decoration: none;
font-weight:lighter;
}
.info-boxes li .infobox {
display: table-cell;
cursor:default;
text-align:center;
vertical-align: middle;
height: 550px;
width: 320px;
}
.info-boxes li .infobox:before {
content: '';
position: absolute;
left: 20%;
width: 160%;
height: 188%;
background-color: rgb(255, 255, 255); /* fallback */
background-color: rgba(255, 255, 255, 0.2);
top: 0;
-webkit-transform: rotate(46deg);
-moz-transform: rotate(46deg);
transform: rotate(30deg);
}
.info-boxes li.hover .shade {
animation-name: windowshade;
cursor:default;
}
.info-boxes li .shade,
.info-boxes li.hover .shade {
animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
animation-duration: 1s;
animation-iteration-count: 1;
animation-fill-mode: forwards;
}
section p {
line-height: 1.3em;
color: #6d6e71;
width: 100%;
padding: 0 10px;
margin-top: 5px;
margin-left: 0px;
text-align:left;
}
p {
display: block;
}
.info-boxes li .shade {
position: absolute;
width: 320px;
height: 570px;
left: 0;
top: 0;
background-color: #156466;
color: #fff;
display: table;
vertical-align: middle;
padding: 20px 10px 0;
transform: translateY(-340px);
animation-name: windowshade-out;
}
.info-boxes li .shade h3 {
color: #fff;
padding: 10px;
font-weight: bold
}
.info-boxes li .shade p {
color: #fff;
margin-top:23px;
line-height: 1.5em;
font-weight: lighter;
}
section a {
line-height: 2em;
color: #6d6e71;
width: 100%;
padding: 0 10px;
margin-top: 13px;
margin-left: 0px;
text-align:left;
}
a {
display:block;
}
.info-boxes li .shade a {
text-align:left;
color: #fff;
line-height: 1.5em;
font-weight: lighter;
}
.info-boxes li .shade a:hover {
text-decoration:underline;
}
.ie9 .info-boxes li.hover .shade {
top: 245px
}
.info-boxes li.hover a {
text-decoration: none
}
@keyframes windowshade {
0% {
transform: translateY(-550px)
}
100% {
transform: translateY(0)
}
}
@keyframes windowshade-out {
0% {
transform: translateY(0)
}
100% {
transform: translateY(-550px)
}
}
.button_slide {
color: #156466;
border: 1px solid rgba(21,100,102,0.35);
border-radius: 0px;
padding: 18px 30px;
display: inline-block;
font-family: Verdana;
font-size: 14px;
margin-bottom:20px;
letter-spacing: 1px;
background-color: rgba(255,255,255,0.3);
cursor: pointer;
box-shadow: inset 0 0 0 0 #156466;
-webkit-transition: ease-out 0.4s;
-moz-transition: ease-out 0.4s;
transition: ease-out 0.4s;
}
.slide_down:hover {
color:white;
border: 1px solid transparent;
box-shadow: inset 0 100px 0 0 #156466;
}
.button_slidehr {
color: #156466;
border: 1px solid rgba(21,100,102,0.35);
border-radius: 0px;
/* extend left padding */
padding: 18px 15px 18px 62px;
position: relative;
display: inline-block;
font-family: Verdana;
font-size: 14px;
margin-bottom: 20px;
letter-spacing: 1px;
background-color: rgba(255,255,255,0.3);
cursor: pointer;
box-shadow: inset 0 0 0 0 #156466;
-webkit-transition: ease-out 0.4s;
-moz-transition: ease-out 0.4s;
transition: ease-out 0.4s;
}
.slide_downhr:hover {
color:white;
border: 1px solid transparent;
box-shadow: inset 0 100px 0 0 #156466;
}
.button_slidehr:after {
content: "";
display: inline-block;
position: absolute;
left: 10px;
top: 0;
width: 100%;
height: 100%;
background-image: url(http://res.cloudinary.com/djxai1v1e/image/upload/v1498058230/HR-Connect-Logo_hjbrmn.png);
background-position: left center;
background-repeat: no-repeat;
background-size: auto 80%;
}
.slide_downhr:hover:after {
background-image: url(http://res.cloudinary.com/djxai1v1e/image/upload/v1498065514/iconhr_oz4fvo.png);
}
.open::before {
content: "";
background: url("http://res.cloudinary.com/djxai1v1e/image/upload/v1498056439/Close-Icon_ra8vcj.png");
height: 20px;
width: 20px;
display: inline-block;
background-size: contain;
}
.close::before {
content: "";
background: url("http://res.cloudinary.com/djxai1v1e/image/upload/v1498057420/opend-icon_nrulip.png");
height: 20px;
width: 20px;
display: inline-block;
background-size: contain;
}<div class="everything">
<br style="line-height:15px;">
<section class="info-boxes">
<ul class="infobox-list">
<li>
<a href="javascript:void(0);">
<div class="infobox">
<table>
<tr>
<img class="profile" src="http://res.cloudinary.com/djxai1v1e/image/upload/v1497467825/Profile-Icon_oy7oxz.png"></tr>
<tr>
<p class="ptext">My Profile</p>
</tr>
</table>
<div class="open"></div>
</div>
<div class="shade">
<table>
<tr>
<td>
<img class="smallicons" src="http://res.cloudinary.com/djxai1v1e/image/upload/v1497301295/About-Me_dudglr.png">
</td>
<td>
<a href="https://northwestcomp.stage.sumtotal.host/Core/dash/profile/personalProfileManager?userid=NWTMP0001">About Me</a>
<hr class="hr">
</td>
</tr>
<tr>
<td><img class="smallicons" src="http://res.cloudinary.com/djxai1v1e/image/upload/v1497284615/Resume_tb7t02.png"> </td>
<td>
<a href="https://northwestcomp.stage.sumtotal.host/Core/person/resume?userid=NWTMP0001">Resume</a>
<hr class="hr">
</td>
</tr>
<tr>
<td><img class="smallicons" src="http://res.cloudinary.com/djxai1v1e/image/upload/v1497280574/Accountabilities_qfdcns.png"> </td>
<td>
<a href="">Accountabilities
</a>
<hr class="hr">
</td>
</tr>
<tr>
<td><img class="smallicons" src="http://res.cloudinary.com/djxai1v1e/image/upload/v1497970831/Chnage-Password-Icon_noszkb.png"> </td>
<td>
<a href="https://northwestcomp.stage.sumtotal.host/Core/changepassword">Change Password</a>
<hr class="hr">
</td>
</tr>
<tr>
<td><img class="smallicons" src="http://res.cloudinary.com/djxai1v1e/image/upload/v1497970831/Sign-Out-Icon_twkoy7.png"> </td>
<td>
<a href="https://northwestcomp.stage.sumtotal.host/Broker/Account/Login.aspx?wtrealm=https%3a%2f%2fNORTHWESTCOMP.stage.sumtotal.host%2fcore%2f&ReturnUrl=http%3a%2f%2fnorthwestcomp.stage.sumtotal.host%2fbroker%2fToken%2fSaml11.ashx%3fwa%3dwsignin1.0%26wtrealm%3dhttps%253a%252f%252fNORTHWESTCOMP.stage.sumtotal.host%252fcore%252f%26wreply%3dhttps%253a%252f%252fnorthwestcomp.stage.sumtotal.host%252fCore%252f%252f&domainid=52160A28FC58BBBE7D714E075077AC76">Sign Out</a>
<hr class="hr">
</td>
</tr>
</table>
<div class="close"></div>
</div>
</a>
</li>
</ul>
</section>
<div class="button_slide slide_down">myPATH User Guide</div>
<div class="button_slidehr slide_downhr">Contact HR Now></div>
</div>