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<!DOCTYPE html> <html> <head> <title>placeholder样式demo</title> <style type="text/css"> :-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #fff; } ::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #fff; } input:-ms-input-placeholder{ color: #fff; } input::-webkit-input-placeholder{ color: #fff; } </style> </head> <body> <input style="background:#2b2b2b" placeholder="httt" type="text"> </body> </html>