body {
  font-family: Verdana;
  color: black;

  background-image:
    linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("https://file.garden/Z6EN9xMdcEKIRtWQ/cool%20gifs/tumblr_e78c3e738b06718f1299519f8c70a353_67854cab_5001-ezgif.com-speed.gif");

  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  
  text-align: center;
}