body {
    font-family: "Orbitron", sans-serif;
}

.logo {
    height: auto;
    width:100px;
}

header {
    height: 90vh;
}

.slogan {
    text-align: center;
    color:darkred;
}

.starsSlogan {
    text-align: center;
    color:darkblue;
}

.hidden {
    display:none;
}

/* Flashing animation */
@keyframes flash {
  0%, 50%, 100% {
    opacity: 1;
  }
  25%, 75% {
    opacity: 0.2; /* fade out */
  }
}

.flashing-btn {
  animation: flash 1s infinite; /* 1s cycle, repeat forever */
}