单项选择题
(网站)()样式可以定义一个10px蓝色向下的三角形?
A.width:0;height:0;border:10pxsolidtransparent;border-top-color:#00f;
B.width:10px;height:10px;border:10pxsolid#00f;border-top-color:transparent;
C.width:0;height:0;border:10pxsolidtransparent;border-bottom-color:#00f;
D.width:10px;height:10px;border:0pxsolid#00f;border-bottom-width:10px;
相关考题
-
单项选择题
(网站)background-color:#ccc;background-image:url(bg.png);background-repeat:no-repeat;background-position:-100pxcenter;以上样式的缩写正确的是?()
A.background:#ccc,url(bg.png)no-repeat,-100pxcenter;
B.background:#cccurl(bg.png)no-repeat-100pxcenter;
C.background:#ccc;background-image:url(bg.png)no-repeat-100pxcenter;
D.background-color:#ccc;background-image:url(bg.png)no-repeat-100pxcenter; -
单项选择题
(网站)怎样去掉文本超级链接的下划线()
A.a{decoration:nounderline}
B.a{text-decoration:nounderline}
C.a{text-decoration:none}
D.a{underline:none} -
填空题
()样式可以设置元素固定定位?
