* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #1f5c71;
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-align: center;
  color: #fff;
}

body > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

img {
  border-radius: 50%;
  width: 150px;
}

h1 {
  font-size: 175%;
}

nav {
  display: flex;
  gap: 8px;
}

a {
  color: #fff;
  text-decoration: none;
  transition: transform 0.3s ease;
  display: inline-block;
}

a:hover {
  color: #3cffff;
  transform: scale(1.3);
}

@keyframes bounce-in {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.bounce-in {
  animation: bounce-in 0.75s ease;
}

@keyframes buzz {
  10% { transform: translateX(3px) rotate(2deg); }
  20% { transform: translateX(-3px) rotate(-2deg); }
  30% { transform: translateX(3px) rotate(2deg); }
  40% { transform: translateX(-3px) rotate(-2deg); }
  50% { transform: translateX(2px) rotate(1deg); }
  60% { transform: translateX(-2px) rotate(-1deg); }
  70% { transform: translateX(2px) rotate(1deg); }
  80% { transform: translateX(-2px) rotate(-1deg); }
  90% { transform: translateX(1px) rotate(0deg); }
  100% { transform: translateX(-1px) rotate(0deg); }
}

h1:hover {
  animation: buzz 0.75s linear;
}