Borde letras. Borde de fuente. FROM: http://stackoverflow.com/questions/2570972/css-font-border#answer-4269821
.font-border {
text-shadow: -1px 0 black, 0 1px black, 1px 0 black, 0 -1px black;
}
/*SCSS Example: https://jsfiddle.net/erknrio/2hbzt3e7/*/