Home > Article > Web Front-end > Using the new features of CSS3 to create a transparent border triangle_Experience exchange
let’s take a look at the effect first. before css3, this was completely unimaginable. only pictures could do it. but today, when html5 and css3 are so popular, it is not a problem to achieve this effect.
look at the implemented code:
<!DOCTYPE html> <html> <head> <style type='text/css'> /* 上三角 */ .arrow-up { width: 0; height: 0; border-left: 20px solid transparent; border-right: 20px solid transparent; border-bottom: 20px solid green; } /* 下三角 */ .arrow-down { width: 0; height: 0; border-left: 20px solid transparent; border-right: 20px solid transparent; border-top: 20px solid orange; } /* 右三角 */ .arrow-right { width: 0; height: 0; border-top: 60px solid transparent; border-bottom: 60px solid transparent; border-left: 60px solid blue; } /* 左三角 */ .arrow-left { width: 0; height: 0; border-top: 10px solid transparent; border-bottom: 10px solid transparent; border-right: 10px solid silver; } </style> </head> <body> <div class="arrow-up"></div> <div class="arrow-down"></div> <div class="arrow-left"></div> <div class="arrow-right"></div> </body> </html>