#container {
    text-align: center;
    padding: 20px
}

h1 {
    color: #333;
}

input, button {
    margin: 10px 0;
    padding: 10px;
    font-size: 16px;
    border-radius: 10px;
    border: 1px solid;
    border-color: black;
}

input {
    width: 80%;
    max-width: 300px;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}

.result {
    margin-top: 20px;
}

.platform {
    margin: 10px auto;
    font-size: 18px;
}

.available {
    color: green;
}

.taken {
    color: red;
}