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我是初學者，爲什麼我有黑色空間底部的頁面我如何刪除它，margin-bottom不起作用，我的意思是當你向下滾動那裏是我想要的黑色空間即將被刪除 。 如果有人複製此它並不重要：dmargin-bottom或padding-bottom不工作
< !DOCTYPE html>
< html lang="en">
< head>
< meta charset="utf-8" />
< title> HTML5 Only Test Case— Accessible Culture
< /title>
< !--[if IE] >
< script src="/js/html5.js">
< /script><![endif]-->
< style>
.all{
font-family:Verdana, Arial, Helvetica, sans-serif;
font-size:12px;
color:#fff;
margin: auto ;
padding-top:30px;
position:relative;
height:2100px;
border: 1px solid red;
width:1050px;
background-color: #090909;
margin-top:25px;
margin-bottom:0px;
}
.backgroound{
padding:0px;
position:relative;
background-color: gray;
border: 1px solid gray;
width:985px;
margin-top:-23px;
height:1929px;
background-size:cover;
margin: auto auto auto auto 10px;
}
.foooter{
padding-top:30px;
padding-bottom:50px;
position:relative;
text-align:center;
width:1052px;
background-color:red;
margin: auto;
margin-top: -100px;
right:0px;
}.paa{
background-color:black;
font-size:40px;
position:relative;
border: 1px solid gray;
padding: 0px;
text-align:center;
height:80px;
margin-top:-30px;
}
.paa img{
position:absolute;
height:75px;
width:210px;
top:3px;
left:260px;
padding:0px;
margin:0px;
}ul{
border: 1px solid gray;
width:99.89%;
position:relative;
top:-10px;
padding:0px;
background-color:white;
}
ul li, a {
display:inline-block;
}
#home {
text-decoration:none;
}
#music {
text-decoration:none;
}
a.vari:hover {
background-color: lightgray;
}a.vari:active {
color: aliceblue;
}
#memberlist_links a{
float:right;
position:relative;
top:-1800px;
padding:0px;
color:white;
margin:0px;
right:40px;
}
#browsebyartist{
float:right;
position:relative;
top:-2100px;
font-size: 10px;
font-weight: bold;
padding:0px;
margin:0px;
right:10px;
}
.paneelinpaa{
border:1px solid black;
background-color:lightblue;
width:500px;
height:250px;
}
.paneelinvartalo{
border:1px solid black;
background-color:lightblue;
margin-top:0px;
padding:15px;
height:200px;
width:200px;
}
body{
height: 2100px;
background-color:black;
}
< /style>
< /head>
<body>
< div class="all">
< header class="paa">
< a href="http://www.cc.puv.fi/~e1401168/boilerplate2.html">
< img src="loggo.jpg" alt="loggo">
< /a>
< /header>
< nav>
< ul>
< li>
< a class="vari" href="http://www.cc.puv.fi/~e1401168/boilerplate2.html" id="home" >
<span>Home
< /span>
< /a>
< /li>
< li>
< a class="vari" href="#" id="music">Music videos < /a>
< /li>
< /ul>
< /nav>
< div class="backgroound">
< div id="panel2" class="paneelinpaa"> pää
< /div>
< div id="panel1" class="paneelinvartalo">vartalo
< /div>
< /div>
< div id="memberlist_links">
< a href="#"> #
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel1">A
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel2">B
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel3">C
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel4">D
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel5">E
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel6">F
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel7">G
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel8">H
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel9">I
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel10">J
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel11">K
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel12">L
< /a>
<br>
< a href="'#" rel=""class="nappulat" data-panelid="panel13">M
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel14">N
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel15">O
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel16">P
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel17">R
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel18">S
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel19">T
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel20">U
< /a>
<br>
< a href="#" rel="" class="nappulat" data-panelid="panel21">V
< /a>
< br>
<a href="#" rel="" class="nappulat" data-panelid="panel22">W
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel23">X
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel24">Y
< /a>
< br>
< a href="#" rel="" class="nappulat" data-panelid="panel25">Z
< /a>
< /div>
< div id="browsebyartist">
< br>
B< br>
r< br>
o< br>
w< br>
s< br>
e< br>
< br>
B< br>
y< br>
< br>
A< br>
r< br>
t< br>
i< br>
s< br>
t< br>
< /div>
< /div>
< footer class="foooter" >
Made by
< /footer>
< script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js">
< /script>
< script>
$(function(){
$('.nappulat').on('click',function(p){
// koska href="#" painaessa skrolla sivua ylös .preventDefault pysäyttää sen
p.preventDefault();
var panelid =$(this).attr('data-panelid');
$('#'+panelid).toggle(1);
});
});
< /script>
< /body>
< /html>
請編輯你的問題（和小提琴將是偉大的！），所以我們可以真正閱讀這個。 –
不能你只是複製我的代碼，並看到 – waleedd32
這是不正確的方式來從其他人的答案..再次，請編輯您的問題，所以我們**希望**來幫助你.. –