  <style type="text/css">
#search-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
  width: 70%;
  margin: 0 auto;

}

#search-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #fff;
  padding: 10px;
  border-radius: 20px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
  transition: background 0.3s ease-in-out;
  background: linear-gradient(to right, #4285f4, #34a853, #fbbc05, #ea4335);
  background-size: 300%;
  background-position: 0%;
  background-repeat: no-repeat;
  margin: 0 auto;
}

#search-box input[type="text"] {
  border: none;
  padding: 10px;
  font-size: 16px;
  width: 80%;
  outline: none;
  color: #000;
}

#search-box button {
  background-color: #4285f4;
  color: #fff;
  border: 2px solid #4285f4;
  padding: 10px 20px;
  margin-left: 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: background-color 0.3s ease-in-out, border-color 0.3s ease-in-out;
  width: 15%;
}

#search-box button:hover {
  background-color: #3367d6;
  border-color: #3367d6;
}

#search-box button:focus {
  outline: none;
  background-color: #1a56db;
  border-color: #1a56db;
}

#search-box button:active {
  background-color: #1452c2;
  border-color: #1452c2;
}

#search-box:focus-within {
  background-position: 100%;
}

#search-box:focus-within input[type="text"] {
  color: #fff;
}

#search-box input[type="text"]:focus {
  color: #000;
}

  </style>