style.css

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.thank-you {
    font-size: 3em;
    font-weight: bold;
    color: transparent;
    background-image: linear-gradient(to left, violet, indigo, blue, green, yellow, orange, red);
    -webkit-background-clip: text;
    background-clip: text;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-fast {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes sway {
    0%, 100% {
        transform: rotate(-3deg);
    }
    50% {
        transform: rotate(3deg);
    }
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

@keyframes bigBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-50px); }
}

@keyframes flyAway {
    0% {
        transform: translate(0, 0);
        opacity: 1;
    }
    100% {
        transform: translate(-100vw, -100vh);
        opacity: 0;
    }
}

@keyframes spinAndMove {
    0% {
      transform: translateX(0) translateY(0) rotate(0deg);
    }
    25% {
      transform: translateX(20vw) translateY(-20vh) rotate(90deg);
    }
    50% {
      transform: translateX(40vw) translateY(20vh) rotate(180deg);
    }
    75% {
      transform: translateX(-20vw) translateY(30vh) rotate(270deg);
    }
    100% {
      transform: translateX(0) translateY(0) rotate(360deg);
    }
  }
  
@media (max-width: 768px) {
    .thank-you {
        font-size: 2em;
    }
    body {
        flex-direction: column;
    }
}