我试过了所有的东西，只要我使用"\n" or
or
，它似乎不工作。 我试过

，但它破坏了设计。换行符php和html无法正常工作

我应该在哪里放置什么东西？

它看起来像离开，但我需要它像右侧，对方

portfolio

$query_nav = mysql_query("SELECT * FROM `nav` ");

while ($query_row_nav = mysql_fetch_assoc($query_nav))

{

?>

$meer = $query_row_nav['title'];

//$desc_inject = '';

//$sub_string = substr($desc_inject, 0, 200);

echo /*$sub_string." " . '' . */'' . $meer .'';

?>

}

?>

CSS

/* Main Nav */

#navigation{

background: #231f20;

font-size: 1.143em;

height: 50px;

line-height: 30px;

margin-top: 57px;

margin-right: 2px;

text-align: center;

width: 1010px;

border-radius: 5px;

-moz-border-radius: 5px;

-webkit-border-radius: 5px;

}

#navigation ul, #navigation li {

list-style:none;

padding:0;

margin:0;

display:inline;

}

#navigation ul li{

float:left;

position:relative;

}

#navigation ul li a{

display: inline-block;

padding:10px 30px;

margin:1px;

font-size:18px;

white-space:nowrap;

border-radius:3px;

text-decoration: none;

height: 30px;

text-decoration: none;

}

#navigation ul ul{

position:absolute;

top:-99999px;

left:0;

opacity: 0;

-webkit-transition: opacity .5s ease-in-out;

-moz-transition: opacity .5s ease-in-out;

-o-transition: opacity .5s ease-in-out;

z-index:497;

background:#333;

padding: 2px;

border:1px solid #231f20;

border-top:none;

box-shadow:#111 0 3px 4px;

border-bottom-left-radius:6px;

border-bottom-right-radius:6px;

}

#navigation ul ul ul {

position:absolute;

top:-99999px;

left:100%;

opacity: 0;

-webkit-transition: opacity .5s ease-in-out;

-moz-transition: opacity .5s ease-in-out;

-o-transition: opacity .5s ease-in-out;

border-radius:6px;

border:1px solid #231f20;

}

#navigation ul li:hover>ul{

opacity: 1;

position:absolute;

top:99%; left:0;

}

#navigation ul ul li:hover>ul{

position:absolute;

top:0;

left:100%;

opacity: 1;

z-index:497;

background:#231f20;

}

#navigation li:first-child a {

border-top-left-radius: 3px;

-moz-border-radius-topleft: 3px;

-webkit-border-top-left-radius: 3px;

border-bottom-left-radius: 3px;

-moz-border-radius-bottomleft: 3px;

-webkit-border-bottom-left-radius: 3px;

}

+0

它看起来像你可能浮动的东西，你可以包括有关UL的CSS？ –

+0

你尝试过'display：block'吗？如果他们漂浮，删除浮动。此外，你应该给我们你的完整的HTML和CSS代码 –

+0

我已经添加了CSS –