! DOCTYPE html html head meta charset ="UTF-8" title CSS / title style type ="text/css" .class1 { border-style : dotted ; height : 20px ; } .class2 { border-style : dashed dotted ; height : 20px ; } .class3 { border-style : dashed dotted do
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>CSS</title> <style type="text/css"> .class1{ border-style: dotted; height: 20px; } .class2{ border-style:dashed dotted; height: 20px; } .class3{ border-style: dashed dotted double; height: 20px; } .class4{ border-style: dashed dotted double groove; height: 20px; } </style> </head> <body bgcolor="aquamarine"> <p class=class1></p> <p class=class2></p> <p class=class3></p> <p class=class4></p> </body> </html>
对边框的设置有综合属性：border-style，亦可运用其他四个属性分别对边框的边进行设置。
边框宽度设置：
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>CSS</title> <style type="text/css"> .class1{ border-style: dotted; border-width: 2px; height: 20px; } .class2{ border-style:dashed dotted; border-width: 2px 4px; height: 20px; } .class3{ border-style: dashed dotted double; border-width: 2px 4px 6px; height: 20px; } .class4{ border-style: dashed dotted double groove; border-width: 2px 4px 6px 8px; height: 20px; } </style> </head> <body bgcolor="aquamarine"> <p class=class1></p> <p class=class2></p> <p class=class3></p> <p class=class4></p> </body> </html>