.submit a {
  background: url(alive-button-en.png) top left no-repeat;
}
.submit a:active {
  background: url(alive-button-en.png) bottom left no-repeat;
}

.button-enter a {
  background: url(enter-button-en.png) top left no-repeat;
}
.button-enter a:active {
  background: url(enter-button-en.png) bottom left no-repeat;
}

.button-register a {
  background: url(register-button-en.png) top left no-repeat;
}
.button-register a:active {
  background: url(register-button-en.png) bottom left no-repeat;
}