body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Courier New', monospace;
}

.clock-container {
    text-align: center;
    color: #00ff88;
    padding: 40px;
    border: 2px solid #00ff88;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
}

.time-labels {
    display: flex;
    font-size: 12px;
    font-weight: bold;
    color: #66ffaa;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.time-labels span {
    width: 80px;
    text-align: center;
}

.time-labels span:nth-child(2),
.time-labels span:nth-child(3) {
    margin-left: 45px;
}

.time-display {
    font-size: 64px;
    font-weight: bold;
    letter-spacing: 4px;
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.separator {
    color: #44cc77;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}
.container {
            text-align: center;
            padding: 40px;
            border: 2px solid #00ff88;
            border-radius: 12px;
            background: rgba(0, 0, 0, 0.3);
            box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
        }
        
        h1 {
            font-size: 48px;
            margin-bottom: 20px;
            text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
            letter-spacing: 2px;
        }
        
        .description {
            font-size: 18px;
            margin-bottom: 30px;
            color: #66ffaa;
            line-height: 1.6;
            max-width: 500px;
        }
        
        .start-button {
            background: transparent;
            border: 2px solid #00ff88;
            color: #00ff88;
            font-size: 24px;
            font-weight: bold;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        
        .start-button:hover {
            background: #00ff88;
            color: #0f0f23;
            box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
            transform: translateY(-2px);
        }
        
        .start-button:active {
            transform: translateY(0);
        }
        
        .info {
            margin-top: 30px;
            font-size: 14px;
            color: #44cc77;
            max-width: 400px;
        }
        
        .warning {
            margin-top: 20px;
            font-size: 12px;
            color: #ffaa44;
            font-style: italic;
        }