Import the mixin file:
@import "mixin_spread";
Include the shadow mixin where you want to use it:
.example-text-shadow
{
@include text-shadow(0, 0, .5rem, 3, rgb(0, 0, 0));
}
text-shadow(offset-x, offset-y, blur-radius, blur-count, color);
where
<offset-x> = <length>
<offset-y> = <length>
<blur-radius> = <length>
<blur-count> = <number>
<color> = <color>