Ͻο
Bdisplay:none Cfloat:none Doverflow:hidden
20HTMLУ
21W3C淶УHTMLǩǣ
Aǩҳֻ1 B
CǶպϵıǩд
DǩvalueöıеĬı
22ĶCSS룬ѡôЧͬǣ
.box { margin:10px 5px; margin-right:10px;
margin-top:5px; }
A.box { margin:5px 10px 10px 5px; } B.box { margin:5px 10px 0px 0px; } C.box { margin:5px 10px; }
D.box { margin:10px 5px 10px 5px; } 23
CSS
Уʽ.main{font-size:12px;}
#container,
#container .main{font-size:14px;}˵ȷǣ
Aǰ߱ʾͬʱѡʽ߱ʾֻmainѡʽ
Bǰ߱ʾֻmainѡʽ߱ʾͬʱѡʽ CмĶŻ߿ոܹʡ Dͬ
24CSSУڶ͵÷ȷǣ
Afont-family:, Arial Black,Times New Roman;
Bfont-family:, \Roman\
Cfont-family:\\Arial Black,Times New
Roman;
Dfont-family:\\\Black\New Roman\
25ĶHTML룬tabsλbox½ǣҪӵCSSʽǣ
{ {
position:relative; position:relative;
} }
#tabs #tabs
{ position:absolute; right:0; bottom:0; } { position:right bottom; }
26HTMLҳУⲿʽķǣ
A ...
28HTMLҳCSSʽ겻ʱҳеӳֵɫΪ
id=\
src=\
border:10px border:20px
solid solid
#ff0000; #ff0000;
width:400px; }
margin:10px; padding:10px; }