[CSS] 텍스트 드래그 블러 효과

::selection{ 
  color: transparent; 
  text-shadow: 0 0 2px #블러색상; 
  transition: all 250ms ease-in; 
} 
::-moz-selection{ 
  color: transparent; 
  text-shadow: 0 0 2px #블러색상; 
  transition: all 250ms ease-in; 
}