body {
  font-family: 'Arial', sans-serif;
  background-color: #1e1e2e;
  color: #f5e0dc;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  animation: fadeIn 2s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

header {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

#header-background {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 200px;
background: url('background.png') no-repeat center center;
background-size: cover;
z-index: -1;
}

#datetime {
background-color: #302d41;
width: 100%;
padding: 20px;
border-bottom: 1px solid #f5e0dc;
z-index: 1;
}

#datetime > div {
font-size: 2.5rem;
}

#time {
font-size: 4rem;
margin-bottom: 10px;
}

#date {
font-size: 2rem;
}

#search-container {
display: flex;
justify-content: center;
width: 100%;
margin: 20px 0;
}

#search-input {
padding: 15px;
width: 60%;
max-width: 800px;
border: 1px solid #f5e0dc;
border-radius: 5px;
font-size: 1.5rem;
}

#links-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
gap: 10px;
width: 90%;
max-width: 1200px;
}

#links-grid a {
background-color: #302d41;
color: #f5e0dc;
text-decoration: none;
padding: 15px;
display: flex;
justify-content: center;
align-items: center;
border-radius: 5px;
text-align: center;
transition: transform 0.3s ease-in-out;
}

#links-grid a:hover {
transform: scale(1.05);
}

footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100px;
  overflow: hidden;
}

.wave {
  position: relative;
  width: 100%;
  height: 100%;
  background: url('path/to/your/wave.svg') repeat-x;
  background-size: cover;
  animation: wave 10s linear infinite;
}

@keyframes wave {
  from {
    background-position-x: 0;
  }
  to {
    background-position-x: 1000px;
  }
}