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
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>
自分自身の居中是margin:0 auto;
デモはこちら
<!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>