* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    background-color: #000;
    color: #fff;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

.button-container {
    position: absolute;
    top: 80%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.button-row {
    display: flex;
    gap: 20px;
}

.square-btn {
    width: auto;
    height: auto;
    padding: 10px;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: monospace;
}

.square-btn:hover {
    background-color: #fff;
    color: #000;
}