HTML： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http ...
HTML： <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>旗幟</title> <link rel="stylesheet" href="work1.css"> </head> <body> <div class="qwe"></div> <div class="www"></div> <div class="t0"></div> </body> </html> CSS： .www{ height: 1000px; width: 15px; background-color: black; display: inline-block; margin: -5px; padding: 0; } .t0{ margin:30px; height:0px; width:0px; border-top:solid 300px red; border-left:solid 300px rgba(0, 0, 0, 0); border-right: solid 300px rgba(0, 0, 0, 0); display: inline-block; } .qwe{ height: 205px; width: 300px; background-color: red; vertical-align: top; display: inline-block; margin-top: -5px; padding: 0; }
