Text outline

/* https://dev.to/alvaromontoro/color-contrast-text-3l29 */
.text-with-outline-1 {
  color: #fff;
  -webkit-text-stroke-width: 1px;
  -webkit-text-stroke-color: #000;
}

.text-with-outline-2 {
  color: #fff;
  text-shadow:  0px -1px #000,
                1px -1px #000,
                1px  0px #000, 
                1px  1px #000,
                0px  1px #000,
               -1px  1px #000,
               -1px  0px #000,
               -1px -1px #000;
}