Answers for "which of the following property is used to set the text shadow around a text ?"

css text shadow -m

/* Text-Shadow is CSS property that is used to add the shadow to the text, simply 
you can add horizontal and vertical shodow alongwtith the blur and the color of shadow options */

/* It's general syntax would be like*/
  /* x-offset | y-offset | blur-raduis | color */
  text-shadow: 2px 2px 0px #808080;

  /* x-offset | y-offset | color */
  text-shadow: 2px 2px #808080;

  /* x-offset | y-offset(not required) | blur-raduis | color */
  text-shadow: 2px 0 2px #808080;