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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px
}

.container {
    text-align: center;
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3)
}

h1 {
    color: #333;
    margin-bottom: 2rem;
    font-size: 2.5rem
}

.clock {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2)
}

.time {
    font-size: 4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2)
}

.date {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500
}

.format-toggle {
    margin-bottom: 1rem
}

.btn {
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4)
}

.back-link {
    display: inline-block;
    padding: 12px 24px;
    background: rgba(102, 126, 234, 0.2);
    color: #333;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease
}

.back-link:hover {
    background: rgba(102, 126, 234, 0.3);
    transform: translateX(-5px)
}

@media(max-width:480px) {
    .time {
        font-size: 2.5rem
    }

    .date {
        font-size: 1rem
    }
    
}