How to center this box_html/css_WEB-ITnose
怎么让这个框居中呢
css码
@charset "utf-8";
/* CSS Document */
html{height:100%;border:none;}
body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;}
div,ul,li,img{margin:0;padding:0;border:none;}
ul{list-style-type:none;}
table,input{font-size:12px;}
a:link{ color:#09F; text-decoration:none; }
a:visited{ color:#09F; text-decoration:none; }
a:hover{ color:#09F; text-decoration:none; }
a:active{ color:#09F; text-decoration:none; }
.mass{width:1024px;}
.center{text-align:center;}
.clear{ clear:both;visibility:hidden;font-size:0px;}
.border{ border:#F00 solid 1px;}
html 码
回复讨论(解决方案)
自身的居中是margin:0 auto;
demo here
<!doctype html><html><head> <meta charset="UTF-8"> <title></title> <style type="text/css"> html{height:100%;border:none;} body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;} div,ul,li,img{margin:0;padding:0;border:none;} ul{list-style-type:none;} table,input{font-size:12px;} a:link{ color:#09F; text-decoration:none; } a:visited{ color:#09F; text-decoration:none; } a:hover{ color:#09F; text-decoration:none; } a:active{ color:#09F; text-decoration:none; } .mass{width:1024px;margin: 0 auto;} .center{text-align:center;} .clear{ clear:both;visibility:hidden;font-size:0px;} .border{ border:#F00 solid 1px;} </style></head><body><div class="border mass">text</div></body></html>
自身的居中是margin:0 auto;
demo here
<!doctype html><html><head> <meta charset="UTF-8"> <title></title> <style type="text/css"> html{height:100%;border:none;} body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;} div,ul,li,img{margin:0;padding:0;border:none;} ul{list-style-type:none;} table,input{font-size:12px;} a:link{ color:#09F; text-decoration:none; } a:visited{ color:#09F; text-decoration:none; } a:hover{ color:#09F; text-decoration:none; } a:active{ color:#09F; text-decoration:none; } .mass{width:1024px;margin: 0 auto;} .center{text-align:center;} .clear{ clear:both;visibility:hidden;font-size:0px;} .border{ border:#F00 solid 1px;} </style></head><body><div class="border mass">text</div></body></html>这个左漂 右漂怎么不起作用？
css码
@charset "utf-8";
/* CSS Document */
html{height:100%;border:none;}
body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;}
div,ul,li,img{margin:0;padding:0;border:none;}
ul{list-style-type:none;}
table,input{font-size:12px;}
a:link{ color:#09F; text-decoration:none; }
a:visited{ color:#09F; text-decoration:none; }
a:hover{ color:#09F; text-decoration:none; }
a:active{ color:#09F; text-decoration:none; }
.mass{width:1024px;margin: 0px auto}
.center{text-align:center;}
.clear{ clear:both;visibility:hidden;font-size:0px;}
.border{ border:#F00 solid 1px;}
#nav{}
#nav.left{ float:left;width:226px;}
#nav.right{ float:right;width:501px;}
html码
The centering of itself is margin: 0 auto;
demo here
<!doctype html><html><head> <meta charset="UTF-8"> <title></title> <style type="text/css"> html{height:100%;border:none;} body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;} div,ul,li,img{margin:0;padding:0;border:none;} ul{list-style-type:none;} table,input{font-size:12px;} a:link{ color:#09F; text-decoration:none; } a:visited{ color:#09F; text-decoration:none; } a:hover{ color:#09F; text-decoration:none; } a:active{ color:#09F; text-decoration:none; } .mass{width:1024px;margin: 0 auto;} .center{text-align:center;} .clear{ clear:both;visibility:hidden;font-size:0px;} .border{ border:#F00 solid 1px;} </style></head><body><div class="border mass">text</div></body></html>Why doesn’t this left and right drift work?
css code
@charset "utf-8";
/* CSS Document */
html{height:100%;border:none;}
body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;}
div ,ul,li,img{margin:0;padding:0;border:none;}
ul{list-style-type:none;}
table,input{font-size:12px;}
a:link{ color:#09F; text-decoration:none; }
a:visited{ color:#09F; text-decoration:none; }
a:hover{ color:#09F; text- decoration:none; }
a:active{ color:#09F; text-decoration:none; }
.mass{width:1024px;margin: 0px auto}
.center{text- align:center;}
.clear{ clear:both;visibility:hidden;font-size:0px;}
.border{ border:#F00 solid 1px;}
# nav{}
#nav.left{ float:left;width:226px;}
#nav.right{ float:right;width:501px;}
html code
#nav . left{ float:left;width:226px;}
#nav .right{ float:right;width:501px;}
There should be a space in the middle to indicate the subordinate relationship.
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