Like shapes (see this post), you can make shadow for a text too. We have 4 parameters for this purpose:

1- distance in x-axis

2- distance in y-axis

3- The amount of darkness

4- shadow color

h1 {
   text-shadow: 0 1px 0 white;
   color: #292929;
}

body { background: white; }
 
h1 {
   text-shadow: 0 1px 0 black, 0 -1px 0 black, 1px 0 0 black, -1px 0 0 black;
   color: white;
}

* you can have multiple shadows for a text (separate with ,)