css3貝塞爾動(dòng)畫(huà)函數代碼( ???????? ????? ?????????? )

-webkit-transition: all 500ms cubic-bezier(0.250, 0.250, 0.750, 0.750); 
?? -moz-transition: all 500ms cubic-bezier(0.250, 0.250, 0.750, 0.750); 
???? -o-transition: all 500ms cubic-bezier(0.250, 0.250, 0.750, 0.750); 
??????? transition: all 500ms cubic-bezier(0.250, 0.250, 0.750, 0.750); 
-webkit-transition-timing-function: cubic-bezier(0.250, 0.250, 0.750, 0.750); 
?? -moz-transition-timing-function: cubic-bezier(0.250, 0.250, 0.750, 0.750); 
???? -o-transition-timing-function: cubic-bezier(0.250, 0.250, 0.750, 0.750); 
??????? transition-timing-function: cubic-bezier(0.250, 0.250, 0.750, 0.750);