body {
  margin: 0;
  padding: 0;
  font-family: "Rubik", sans-serif;
  background-color: #ffffff;
  user-select: none;
}

h3 {
  font-family: "Rubik", sans-serif;
  font-size: 30px;
}

section {
  display: flex;
  align-items: center;
  flex-direction: column;
  margin: 100px;
}

input {
  color: #333;
  background-color: #fff;
  width: 300px;
  height: 50px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 20px;
  text-align: center;
  font-family: "Rubik", sans-serif;
}

input:focus {
  outline: none;
  box-shadow: 0 0 3px 2px rgba(0, 0, 0, 0.1);
}

button {
  color: #fff;
  background-color: #2196f3;
  width: 300px;
  height: 50px;
  margin: 20px 0;
  border: none;
  border-radius: 8px;
  font-size: 20px;
}

button:hover {
  background-color: #0d47a1;
  cursor: pointer;
}

img {
  width: 300px;
}

ul {
  list-style-type: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 300px;
}

ul li {
  font-size: 20px;
  background-color: #fff;
  padding: 15px;
  border-radius: 8px;
  flex-grow: 1;
  text-align: center;
  box-shadow: 0px 1px 4px rgba(0, 0, 0, 0.2);
}

ul li:hover {
  background-color: #f2f2f2;
  cursor: pointer;
}

input[type="text"]::placeholder {
  color: #999;
}

input[type="text"]:focus::placeholder {
  color: transparent;
}