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html - 无论窗口大小如何,都将图像定位在溢出的中心

转载 作者:太空宇宙 更新时间:2023-11-03 18:53:48 25 4
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我在网站上定位 Logo (img) 时遇到了一些问题。我希望它在任何时候和窗口大小都居中。同时,我希望它重叠/溢出到它所在的 div 的底部。

它位于 div main 中,我希望它覆盖名为 nav 的 div。让它重叠我没有遇到任何问题,但它根本不会保持居中!

有什么建议吗?

CSS

body {
width:100%;
font-family: Cusmyr, sans serif;
font-size:2em;
margin:0em;

}

@font-face {
font-family:Cusmyr;
src: url('font/myriadproregot.otf'), url('font/myriadproregsv.svg'), url('font/myriadproregtt.ttf');
}

#nav {
background:#ffffff;
width:100%;
height:4em;
margin-top:-18px;

}

#nav ul {
list-style-type:none;
}

#nav li {
display:inline;
float:left;
width:2%;
margin-left:10%;
margin-right:10%;
margin-top:5%;
}

#nav a {
display:block;
width:20%;
margin-right:0% auto;
padding-left:0% auto;
color:#5E09CB;
text-decoration:none;
}

.clear {
clear:both;
}

#logo {
position: absolute;
}

#main {
width:100%;
position:relative;
border-top: 0.1em solid #000000;
}

#main img {
margin-bottom:-0.1em;
padding:0em;
}

#text-left p {
position:absolute;
color:#ffffff;
padding-left:8%;
padding-top:8%;
letter-spacing:0.1em;
line-height:1.1;
}

#text-right p {
position:absolute;
color:#ffffff;
padding-left:75%;
padding-top:8%;
letter-spacing:0.1em;
line-height:1.1;
}

#enter {
display:block;
position:absolute;
width:7em;
height:1.5em;
bottom:5%;
left:0;
right:0;
margin-left:auto;
margin-right:auto;
background-color:#39895B;
-moz-box-shadow: 0px 3px 14px #000000;
-webkit-box-shadow: 0px 3px 14px #000000;
box-shadow: 0px 3px 14px #000000;
border-radius:3px;
-moz-border-radius:3px;
}

#enter a {
position:absolute;
text-align:center;
font-size:1em;
line-height:0.0em;
color:#ffffff;
margin-top:0.8em;
left:0;
right:0;
margin-left:auto;
margin-right:auto;
text-decoration:none;
}


#donations p {
position:absolute;
color:#ffffff;
font-size:0.65em;
text-align:left;
margin-bottom:10%;
left:1%;
width:12em;
}

#donations {
position:relative;
width:100%;
height:8em;
background-color:#333334;
margin-top:-1%;
border-top:0.1em solid #000000;
overflow:hidden;
}

#donations a {
display:block;
position:absolute;
text-align:center;
font-size:0.8em;
width:6em;
padding:0.2em;
height:1.1em;
bottom:8%;
left:10%;
right:0;
background-color:#5E09CB;
color:#ffffff;
-moz-box-shadow: 0px 3px 14px #000000;
-webkit-box-shadow: 0px 3px 14px #000000;
box-shadow: 0px 3px 14px #000000;
border-radius:3px;
-moz-border-radius:3px;
text-decoration:none;
}

.dontime p {
position:absolute;
text-decoration:underline;
float:right;
right:0;
width:15em;
top:-3%;
margin-right:1%;
color:#ffffff;
font-size:0.65em;
}


.meter {
height:20px;
width:30%;
position:relative;
background:#555;
-moz-border-radius:3px;
-webkit-border-radius:3px;
border-radius:3px;
padding:3px;
margin-top:1%;
left:1%;
-webkit-box-shadow: inset 0 -1px 1px rgba(255,255,255,0.3);
-moz-box-shadow : inset 0 -1px 1px rgba(255,255,255,0.3);
box-shadow : inset 0 -1px 1px rgba(255,255,255,0.3);
}

.meter > span {
display: block;
height: 100%;
-webkit-border-top-right-radius: 3px;
-webkit-border-bottom-right-radius: 3px;
-moz-border-radius-topright: 3px;
-moz-border-radius-bottomright: 3px;
border-top-right-radius: 3px;
border-bottom-right-radius: 3px;
-webkit-border-top-left-radius: 3px;
-webkit-border-bottom-left-radius: 3px;
-moz-border-radius-topleft: 3px;
-moz-border-radius-bottomleft: 3px;
border-top-left-radius: 3px;
border-bottom-left-radius: 3px;
background-color: rgb(43,194,83);
background-image: -webkit-gradient(
linear,
left bottom,
left top,
color-stop(0, rgb(43,194,83)),
color-stop(1, rgb(84,240,84))
);
background-image: -webkit-linear-gradient(
center bottom,
rgb(43,194,83) 37%,
rgb(84,240,84) 69%
);
background-image: -moz-linear-gradient(
center bottom,
rgb(43,194,83) 37%,
rgb(84,240,84) 69%
);
background-image: -ms-linear-gradient(
center bottom,
rgb(43,194,83) 37%,
rgb(84,240,84) 69%
);
background-image: -o-linear-gradient(
center bottom,
rgb(43,194,83) 37%,
rgb(84,240,84) 69%
);
-webkit-box-shadow:
inset 0 2px 9px rgba(255,255,255,0.3),
inset 0 -2px 6px rgba(0,0,0,0.4);
-moz-box-shadow:
inset 0 2px 9px rgba(255,255,255,0.3),
inset 0 -2px 6px rgba(0,0,0,0.4);
position: relative;
overflow: hidden;
}

.animate > span:after {
display: none;
}

@-webkit-keyframes move {
0% {
background-position: 0 0;
}
100% {
background-position: 50px 50px;
}
}


.orange > span {
background-color:#5E09CB;
background-image: -moz-linear-gradient(top, #8959c6, #5E09CB);
background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0, #8959c6),color-stop(1, #5E09CB));
background-image: -webkit-linear-gradient(#8959c6, #5E09CB);
}


#gallery {
position:relative;
margin-top:0em;
width:100%;
padding-bottom:5em;
background-color:#ffffff;
border-top:0.1em solid #000000;
overflow:hidden;

}


#gallerytext p {
color:#DACB29;
text-align:center;
margin-top:4%;
}

#kranz img {
display:block;
margin-top:-5%;
margin-left:auto;
margin-right:auto;
}

#pic1 img {
display:block;
float:left;
margin-left:10%;
margin-top:-7%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic2 img {
display:block;
float:left;
margin-left:10%;
margin-top:10%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic3 img {
display:block;
float:left;
margin-left:10%;
margin-top:-7%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic4 img {
display:block;
float:left;
margin-top:22%;
margin-left:-80%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic5 img {
display:block;
float:left;
margin-top:35%;
margin-left:-50%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic6 img {
display:block;
float:left;
margin-top:22%;
margin-left:-20%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic7 img {
display:block;
float:left;
margin-top:50%;
margin-left:-85%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic8 img {
display:block;
float:left;
margin-top:60%;
margin-left:-55%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

#pic9 img {
display:block;
float:left;
margin-top:55%;
margin-left:-25%;
-moz-box-shadow: 5px 5px 10x #000000;
-webkit-box-shadow: 5px 5px 10px #000000;
box-shadow: 5px 5px 10px #000000;
}

.clock {
position:absolute;
right:-1.5%;
bottom:1%;
width:25em;
}

.clock_days {
margin-right:0.5%;
float:left;
}
.clock_hours {
margin-right:0.5%;
float:left;
}
.clock_minutes {
margin-right:0.5%;
float:left;
}
.clock_seconds {
margin-right:0.5%;
float:left;
}

.bgLayer {
background-image:url(img/bg.png);
background-repeat:no-repeat;
position:relative;
}

.topLayer {
position:absolute;
background-image:url(img/top.png);
width:6em;
height:6em;
margin-bottom:5%;
background-repeat:no-repeat;
}

.text { position:absolute; top:5%; left:5%; width:10%; height:10%;}

.val {
font-family:Myriad Pro;
font-size:47px;
font-weight:bold;
color:#FFF;
text-align:right;
line-height:2em;
margin-top:2%;
width:10%;
}

.type_days {
font-family:Myriad Pro;
color:#ff6565;
width:3%;
text-align:center;
font-size:13px;
line-height:1.5em;
font-weight:bold;
text-transform:uppercase;
}

.type_hours {
font-family: Myriad Pro;
color:#378cff;
width:3%;
text-align:right;
font-size:13px;
line-height:1.5em;
font-weight:bold;
text-transform:uppercase;
}

.type_minutes {
font-family: Myriad Pro;
color:#9cdb7d;
width:3%;
text-align:right;
font-size:13px;
line-height:1.5em;
font-weight:bold;
text-transform:uppercase;
}

.type_seconds {
font-family: Myriad Pro, Arial, Helvetica, sans-serif;
color:#ffdc50;
width:3%;
text-align:right;
font-size:13px;
line-height:1.5em;
font-weight:bold;
text-transform:uppercase;
}

#entergal a {
position:absolute;
text-align:center;
font-size:1em;
line-height:0.0em;
color:#ffffff;
margin-top:0.8em;
left:0;
right:0;
margin-left:auto;
margin-right:auto;
text-decoration:none;
}

#entergal {
display:block;
position:absolute;
width:7em;
height:1.5em;
bottom:2%;
left:0;
right:0;
margin-left:auto;
margin-right:auto;
background-color:#39895B;
-moz-box-shadow: 0px 3px 14px #000000;
-webkit-box-shadow: 0px 3px 14px #000000;
box-shadow: 0px 3px 14px #000000;
border-radius:3px;
-moz-border-radius:3px;
}


#social {
position:relative;
width:100%;
height:4em;
background-color:#5E09CB;
margin-top:-1%;
border-top:0.1em solid #000000;
overflow:hidden;
}

.table {
display:table;
margin:0 auto;
}

#social ul {
list-style-type:none;
padding-left:30%;
padding-right:30%;
}

ul#sociallist {
min-width:17em;
list-style:none;
padding-top:none;
}

ul#sociallist li {
display:inline;
}

#foot {
position:relative;
width:100%;
padding-bottom:0.5em;
background-color:#333334;
margin-top:-1%;
border-top:0.1em solid #000000;
overflow:hidden;
}

.tablefoot {
display:table;
margin:0 auto;
}

#foot ul {
list-style-type:none;
padding-left:30%;
padding-right:30%;
}

ul#footnav {
min-width:25em;
padding-top:none;
list-style:none;
padding-left:25%;
}

ul#footnav li {
display:inline;
padding:0.5%;
}


#foot a {
text-decoration:none;
color:#1D88B5;
}

#copy-text p {
text-align:center;
color:#FFFFFF;
font-size:0.5em;
}

#create-text p {
text-align:center;
color:#1D88B5;
font-size:0.25em;
}

html

<body>
<div id="nav">
<ul>
<li><img src="images/thumb.png" alt="thumb" width="100px" /><a href="index.html">COMPETE</a></li>
<li><img src="images/thumb.png" alt="thumb" width="100px" /><a href="index.html">SCORE</a></li>
<li><img src="images/thumb.png" alt="thumb" width="100px" /><a href="index.html">SHOP</a></li>
<li><img src="images/thumb.png" alt="thumb" width="100px" /><a href="index.html">MORE</a></li>
</ul>
</div>
<div class="clear"> </div>
<div id="main">
<div id="logo"> <img src="images/logorz.png" alt="logo" width="180px" /> </div>
<div id="text-left">
<p><strong>Good cause<br />marketplace<br />for limited<br />art-pieces</strong></p>
</div>
<div id="text-right">
<p><strong>... produced by<br />the most<br />creative crowd<br />out there</strong></p>
</div>
<div id="enter"> <a href="index.html">Enter contest</a> </div>
<img src="images/front-img.png" alt="gallery images" width="100%" />
</div>
<div id="donations">
<div class="meter orange nostripes"> <span style="width:31.99%"></span> </div>
<p><strong>$7.678</strong> of <strong>$24,000</strong> donated this month<br />
This month's donations will help streetdogs in<br />
Bulgaria to find new owners!</p>
<div class="wrapper">
<div class="clock">
<!-- Days -->
<div class="clock_days">
<div class="bgLayer">
<div class="topLayer"></div>
<canvas id="canvas_days" width="188" height="188"> </canvas>
<div class="text">
<p class="val">0</p>
<p class="type_days">Days</p>
</div>
</div>
</div>
<!-- Days -->
<!-- Hours -->
<div class="clock_hours">
<div class="bgLayer">
<div class="topLayer"></div>
<canvas id="canvas_hours" width="188" height="188"> </canvas>
<div class="text">
<p class="val">0</p>
<p class="type_hours">Hours</p>
</div>
</div>
</div>
<!-- Hours -->
<!-- Minutes -->
<div class="clock_minutes">
<div class="bgLayer">
<div class="topLayer"></div>
<canvas id="canvas_minutes" width="188" height="188"> </canvas>
<div class="text">
<p class="val">0</p>
<p class="type_minutes">Minutes</p>
</div>
</div>
</div>
<!-- Minutes -->
<!-- Seconds -->
<div class="clock_seconds">
<div class="bgLayer">
<div class="topLayer"></div>
<canvas id="canvas_seconds" width="188" height="188"> </canvas>
<div class="text">
<p class="val">0</p>
<p class="type_seconds">Seconds</p>
</div>
</div>
</div>
<!-- Seconds -->
</div>
<a href="index.html">More info</a>
</div>
</div>
<div id="gallery">
<div id="gallerytext">
<p>This week's<br />heroes</p>
</div>
<div id="kranz"> <img src="images/kranz.png" alt="kranz" width="310px" /> </div>
<div id="pic1"> <img src="frontgallery/1.jpg" alt="gallery image 1" width="20%" /> </div>
<div id="pic2"> <img src="frontgallery/2.jpg" alt="gallery image 2" width="20%" /> </div>
<div id="pic3"> <img src="frontgallery/3.jpg" alt="gallery image 3" width="20%" /> </div>
<div id="pic4"> <img src="frontgallery/4.jpg" alt="gallery image 4" width="20%" /> </div>
<div id="pic5"> <img src="frontgallery/5.jpg" alt="gallery image 5" width="20%" /> </div>
<div id="pic6"> <img src="frontgallery/6.jpg" alt="gallery image 6" width="25%" /> </div>
<div id="pic7"> <img src="frontgallery/7.jpg" alt="gallery image 7" width="20%" /> </div>
<div id="pic8"> <img src="frontgallery/8.jpg" alt="gallery image 8" width="20%" /> </div>
<div id="pic9"> <img src="frontgallery/9.jpg" alt="gallery image 9" width="20%" /> </div>
<div id="entergal"> <a href="index.html">Enter contest</a> </div>
</div>
<div id="social">
<div class="table">
<ul id="sociallist">
<li><a href="http://eyeem.de" target="_blank"><img src="images/cam.png" alt="camera link" height="40%" /></a></li>
<li><a href="http://facebook.com" target="_blank"><img src="images/facebook.png" alt="facebook link" height="40%" /></a></li>
<li><a href="http://twitter.com" target="_blank"><img src="images/twitter.png" alt="twitter link" height="40%" /></a></li>
<li><a href="http://youtube.com" target="_blank"><img src="images/youtube.png" alt="youtube link" height="40%" /></a></li>
</ul>
</div>
</div>
<div id="foot">
<div class="tablefoot">
<ul id="footnav">
<li><a href="index.php"><strong>Compete</strong></a></li>
<li><a href="index.php"><strong>Score</strong></a></li>
<li><a href="index.php"><strong>Shop</strong></a></li>
<li><a href="index.php"><strong>More</strong></a></li>
</ul>
</div>
<div id="copy-text">
<p><strong>Copyright © 2012 Artwork Heroes, Inc. All photos © their respective owners</strong>
<p>
</div>
<div id="create-text">
<p><strong>Created with Scandinavian love in Copenhagen, Denmark</strong></p>
</div>
</div>
</body>
</html>

最佳答案

如果你想将绝对定位的图像居中,你可以这样做:

#logo {
position:absolute;
width:200px;
left:50%;
margin-left:-100px;
}

将宽度替换为 Logo 的实际宽度,负左边距是该宽度的一半。

如果您希望它以其父级为中心,则父级应该相对定位。

关于html - 无论窗口大小如何,都将图像定位在溢出的中心,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14093253/

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