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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    text-align: center;
}

h1 {
    color: #2c3e50;
    margin-bottom: 15px;
}

p {
    line-height: 1.6;
    margin-bottom: 25px;
    color: #555;
}

.widget {
    background: #eef2f5;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.widget h2 {
    font-size: 1.2rem;
    color: #2980b9;
    margin-bottom: 10px;
}

#clock {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

button {
    background-color: #27ae60;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-bottom: 15px;
}

button:hover {
    background-color: #219150;
}