* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:  sans-serif;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364); 
}

.clock {
    font-size: 90px;
    color: #00f7ff;
    background: rgba(0, 0, 0, 0.4);
    padding: 25px 50px;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(0, 247, 255, 0.8), 
                0 0 40px rgba(0, 247, 255, 0.5);
    border: 2px solid rgba(0, 247, 255, 0.6);
    margin-bottom: 25px;
    text-shadow: 0 0 10px #00f7ff, 0 0 20px #00f7ff;
}

.time-switcher {
    padding: 12px 25px;
    font-size: 18px;
    border: none;
    border-radius: 50px; /* rounded pill shape */
    background: rgba(0, 0, 0, 0.4);
    text-shadow: 0 0 10px #00f7ff, 0 0 20px #00f7ff;
    color: #00f7ff;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s ease-in-out;
    box-shadow: 0 4px 20px rgba(0, 247, 255, 0.8), 
                0 0 10px rgba(0, 247, 255, 0.5);
}

.time-switcher:hover {
    box-shadow: 0 0 20px rgba(0, 247, 255, 0.8), 
                0 0 40px rgba(0, 247, 255, 0.5);
}