body {
  background: url("https://www.toptal.com/designers/subtlepatterns/uploads/sparkle.png")
    repeat;
  font-family: Comic Sans MS, cursive;
  color: #ff00ff;
  text-align: center;
  margin: 0;
  overflow: scroll;
  position: relative;
}
table {
  width: 100%;
  border: 5px solid #ffd700;
  background: linear-gradient(45deg, #ff69b4, #00ffff);
}
td {
  padding: 10px;
  border: 3px dashed #ffff00;
}
.blink {
  animation: blink 0.8s infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.header {
  background: url("https://www.toptal.com/designers/subtlepatterns/uploads/balloons.png");
  color: #ffff00;
  text-shadow: 3px 3px 6px #ff0000;
  font-size: 45px;
}
.footer {
  background: #ffa500;
  color: #0000ff;
  font-size: 14px;
}
.button {
  background: linear-gradient(#ffff00, #ff0000);
  border: 3px solid #00ffff;
  padding: 12px;
  font-size: 22px;
}
.button:hover {
  transform: rotate(7deg);
  box-shadow: 6px 6px 12px #00ff00;
}
marquee {
  font-size: 28px;
  color: #ffff00;
  background: #ff00ff;
}
.notification {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(#ff0000, #ffff00);
  color: #00ff00;
  padding: 20px;
  border: 5px double #00ffff;
  font-size: 24px;
  text-shadow: 2px 2px 4px #ff00ff;
  animation: blink 0.5s infinite;
  z-index: 1000;
  display: none;
}
.particle {
  position: absolute;
  width: 50px;
  height: 50px;
  object-fit: cover;
  z-index: 500;
  opacity: 0;
  animation: particleFade 3s infinite;
  border: 2px solid #00ffff;
}
#particle1 {
  animation-delay: 0s;
}
#particle2 {
  animation-delay: 0.3s;
}
#particle3 {
  animation-delay: 0.6s;
}
#particle4 {
  animation-delay: 0.9s;
}
#particle5 {
  animation-delay: 1.2s;
}
#particle6 {
  animation-delay: 1.5s;
}
#particle7 {
  animation-delay: 1.8s;
}
#particle8 {
  animation-delay: 2.1s;
}
#particle9 {
  animation-delay: 2.4s;
}
#particle10 {
  animation-delay: 2.7s;
}
@keyframes particleFade {
  0%,
  20% {
    opacity: 0.7;
  }
  30%,
  70% {
    opacity: 0;
  }
  80%,
  100% {
    opacity: 0.7;
  }
}
.video-container {
  width: 400px;
  height: 300px;
  margin: 20px auto;
  border: 3px solid #ff00ff;
  background: linear-gradient(#00ffff, #ff69b4);
}
#birthdayVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}