body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
}

.main-image {
    width: 256px;
    height: 256px;
}

.text .large-text {
    font-size: 25px;
}

.text .small-text {
    font-size: 15px;
}

.input-group {
    margin-top: 20px;
}

input[type="text"] {
    padding: 10px;
    font-size: 14px;
    margin-right: 10px;
}

button {
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
}

footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: 10px 0;
    background-color: #f1f1f1;
}