<html><head><style>input:checked{ width:20px; height:20px;}</style></head><body> <p>Male:<input type="radio" name="gender" value="male" checked></p> <p>Female:<input type="radio" name="gender" value="female"></p> </body></html> <html><head><style>input:checked{ width:20px; height:20px;}</style></head><body> <p>Male:<input type="radio" name="gender" value="male" checked></p> <p>Female:<input type="radio" name="gender" value="female"></p> </body></html>