以下是HTML代码：
#posts {
width: 1000px;
height: auto;
margin: auto;
border: 3px solid red;
}
#header-posts {
width: 100%;
height: auto;
}
#show{
width: 100%;
height: 500px;
}
.contactus
{
width: 100%;
height: 50px;
background-color: hsla(0,0%,78%,0.76);
}
#main-contactus
{
width: 1000px;
height: 50px;
margin: auto;
}
#linkus
{
width: 300px;
height: 50px;
position: relative;
float: left;
}
#instagram
{
width: 30px;
height: 30px;
background-color: #525252;
border-radius: 30px;
position: relative;
top: 20%;
left: 5%;
float: left;
text-decoration: none;
}
#instagram::before
{
content: "";
width: 0.9em;
height: 0.6em;
background-color: azure;
position: absolute;
top: 45%;
left: 8px;
border-bottom-right-radius: 2px;
border-bottom-left-radius: 2px;
}
#instagram::after
{
content: "";
width: 0.45em;
height: 0.45em;
background-color: azure;
position: absolute;
border: 1px solid #525252;
top: 35%;
left: 34%;
border-radius: 10px;
}
#instagram span
{
position: absolute;
width: 0.35em;
height: 0.25em;
background-color: azure;
left: 55%;
top: 20%;
border-radius: 1px;
}
#instagram p
{
text-align: center;
width: 100px;
height: 30px;
background-color: #525252;
color: white;
line-height: 30px;
position: absolute;
top: 22px;
left: -32px;
display: none;
}
#instagram p::before
{
content: "";
position: absolute;
width: 0.5em;
height: 0.5em;
background-color: #525252;
left: 42px;
top: -3px;
-webkit-transform: rotate(45deg);
}
#instagram:hover p
{
display: block;
}
#instagram:hover
{
background-color: white;
}
#instagram:hover::before,
#instagram:hover::after,
#instagram:hover span
{
background-color: #525252;
}
#instagram:hover::after
{
border: 1px solid white;
}
#gmail
{
width: 30px;
height: 30px;
background-color: #525252;
border-radius: 30px;
position: relative;
top: 20%;
left: 8%;
float: left;
text-decoration: none;
}
#gmail::before
{
content: "g";
position: absolute;
font: bold 25px tohama;
color: white;
left: 20%;
}
#gmail::after
{
content: "+";
position: absolute;
font: bold 15px tohama;
color: white;
left: 60%;
}
#gmail p
{
text-align: center;
width: 100px;
height: 30px;
background-color: #525252;
color: white;
line-height: 30px;
position: absolute;
top: 22px;
left: -32px;
display: none;
}
#gmail p::before
{
content: "";
position: absolute;
width: 0.5em;
height: 0.5em;
background-color: #525252;
left: 42px;
top: -3px;
-webkit-transform: rotate(45deg);
}
#gmail:hover p
{
display: block;
}
#gmail:hover
{
background-color: sandybrown;
}
#gmail:hover::before,
#gmail:hover::after
{
color: #525252;
}
#facebook
{
width: 30px;
height: 30px;
background-color: #525252;
border-radius: 30px;
position: relative;
top: 20%;
left: 11%;
float: left;
}
#facebook::before
{
content: "F";
color: white;
font: bold 20px tohama;
left: 30%;
top: 10%;
position: absolute;
}
#facebook p
{
text-align: center;
width: 100px;
height: 30px;
background-color: #525252;
color: white;
line-height: 30px;
position: absolute;
top: 22px;
left: -32px;
display: none;
}
#facebook p::before
{
content: "";
position: absolute;
width: 0.5em;
height: 0.5em;
background-color: #525252;
left: 42px;
top: -3px;
-webkit-transform: rotate(45deg);
}
#facebook:hover p
{
display: block;
}
#facebook:hover
{
background-color: white;
}
#facebook:hover::before
{
color: saddlebrown;
}
#telegram
{
width: 30px;
height: 30px;
background-color: #525252;
border-radius: 30px;
position: relative;
top: 20%;
left: 14%;
float: left;
text-decoration: none;
}
#telegram::before
{
content: "Tele";
position: absolute;
color: white;
font: bold 10px tohama;
left: 20%;
top: 15%;
}
#telegram::after
{
content: "Gram";
position: absolute;
color: white;
font: bold 10px tohama;
top: 45%;
left: 8%;
}
#telegram p
{
text-align: center;
width: 100px;
height: 30px;
background-color: #525252;
color: white;
line-height: 30px;
position: absolute;
top: 22px;
left: -32px;
display: none;
}
#telegram p::before
{
content: "";
position: absolute;
width: 0.5em;
height: 0.5em;
background-color: #525252;
left: 42px;
top: -3px;
-webkit-transform: rotate(45deg);
}
#telegram:hover p
{
display: block;
}
#telegram:hover
{
background-color: white;
}
#telegram:hover::before,
#telegram:hover::after
{
color: red;
}
#fav-site
{
width: 700px;
height: 50px;
float: left;
}
#fav-site a
{
text-align: center;
width: 120px;
height: 30px;
font: bold 20px tohama;
color: #525252;
float: left;
text-decoration: none;
margin-left: 10px;
margin-top: 10px;
line-height: 30px;
}
#fav-site a:hover
{
background-color: brown;
color: azure;
}
.footer
{
width: 100%;
height: 50px;
background-color: brown;
}
#p-footer
{
width: 1000px;
height: 50px;
margin: auto;
position: relative;
}
#p-footer p
{
direction: none;
color: hsla(0,0%,80%,0.78);
font: bold 15px tohama;
text-align: center;
margin-top: 0px;
line-height: 50px;
}
#p-footer p a
{
text-decoration: none;
color: white;
float: left;
position: absolute;
left: 150px;
}
#p-footer:hover a
{
color: hsla(127,100%,50%,1.00);
} <div id="posts">
<div id="header-posts">
<div id="show">
</div>
</div>
</div>
<div class="contactus">
<div id="main-contactus">
</div>
</div>
当我想看到结果时，帖子div的高度不会增加，但是当我想改进帖子div时，我会做什么呢？请帮我。 我编辑它，但是当我在这个网站上运行此代码时，结果是真的，但是当我想在mozilla或chrome中运行时，结果是错误的，因为没有增加show div.i的高度想要响应列表