这段回到顶部的代码 点击的图标怎么调节位置和大小 10
<style>body,p,a,div{margin:0px;padding:0px;}body{font:14px/22pxGeorgiaserif;margin:0a...
<style>
body,p,a,div{
margin:0px;
padding:0px;
}
body{
font:14px/22px Georgia serif;
margin:0 auto;
width:640px;
}
h1{
font: bold 80%/120% Arial, Helvetica, sans-serif;
text-transform: uppercase;
margin: 0 0 10px;
color: #999;
}
h2{
font-size: 22px;
margin: 0 0 8px;
}
h3{
font-size: 1.6em;
margin: 20px 0 5px;
}
a{
color: #333;
text-decoration: none;
}
a:hover{
color: #548B02;
}
p{
margin-bottom:25px;
}
#back-to-top{
position:fixed;
bottom:100px;
left:60px;
}
#back-to-top a{
text-align:center;
text-decoration:none;
color:#d1d1d1;
display:block;
width:80px;
/*使用CSS3中的transition属性给跳转链接中的文字添加渐变效果*/
-moz-transition:color 1s;
-webkit-transition:color 1s;
-o-transition:color 1s;
}
#back-to-top a:hover{
color:#979797;
}
#back-to-top a span{
background:#d1d1d1;
border-radius:6px;
display:block;
height:80px;
width:80px;
background:#d1d1d1 url(images/arrow-up.png) no-repeat center center;
margin-bottom:5px;
-moz-transition:background 1s;
-webkit-transition:background 1s;
-o-transition:background 1s;
}
#back-to-top a:hover span{
background:#979797 url(images/arrow-up.png) no-repeat center center;
}
</style>
<script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
//首先将#back-to-top隐藏
$("#back-to-top").hide();
//当滚动条的位置处于距顶部100像素以下时，跳转链接出现，否则消失
$(function () {
$(window).scroll(function(){
if ($(window).scrollTop()>10){
$("#back-to-top").fadeIn(1500);
}
else
{
$("#back-to-top").fadeOut(1500);
}
});
//当点击跳转链接后，回到页面顶部位置
$("#back-to-top").click(function(){
$('body,html').animate({scrollTop:0},1000);
return false;
});
});
});
</script>
</head>
<body id="top">
<p id="back-to-top"><a href="#top"><span></span>回到顶部</a></p> 展开
body,p,a,div{
margin:0px;
padding:0px;
}
body{
font:14px/22px Georgia serif;
margin:0 auto;
width:640px;
}
h1{
font: bold 80%/120% Arial, Helvetica, sans-serif;
text-transform: uppercase;
margin: 0 0 10px;
color: #999;
}
h2{
font-size: 22px;
margin: 0 0 8px;
}
h3{
font-size: 1.6em;
margin: 20px 0 5px;
}
a{
color: #333;
text-decoration: none;
}
a:hover{
color: #548B02;
}
p{
margin-bottom:25px;
}
#back-to-top{
position:fixed;
bottom:100px;
left:60px;
}
#back-to-top a{
text-align:center;
text-decoration:none;
color:#d1d1d1;
display:block;
width:80px;
/*使用CSS3中的transition属性给跳转链接中的文字添加渐变效果*/
-moz-transition:color 1s;
-webkit-transition:color 1s;
-o-transition:color 1s;
}
#back-to-top a:hover{
color:#979797;
}
#back-to-top a span{
background:#d1d1d1;
border-radius:6px;
display:block;
height:80px;
width:80px;
background:#d1d1d1 url(images/arrow-up.png) no-repeat center center;
margin-bottom:5px;
-moz-transition:background 1s;
-webkit-transition:background 1s;
-o-transition:background 1s;
}
#back-to-top a:hover span{
background:#979797 url(images/arrow-up.png) no-repeat center center;
}
</style>
<script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
//首先将#back-to-top隐藏
$("#back-to-top").hide();
//当滚动条的位置处于距顶部100像素以下时，跳转链接出现，否则消失
$(function () {
$(window).scroll(function(){
if ($(window).scrollTop()>10){
$("#back-to-top").fadeIn(1500);
}
else
{
$("#back-to-top").fadeOut(1500);
}
});
//当点击跳转链接后，回到页面顶部位置
$("#back-to-top").click(function(){
$('body,html').animate({scrollTop:0},1000);
return false;
});
});
});
</script>
</head>
<body id="top">
<p id="back-to-top"><a href="#top"><span></span>回到顶部</a></p> 展开
2个回答
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