body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f0f2f5;
    color: #333;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: white;
    padding: 40px 60px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: fadeIn 0.5s ease;
    margin: 20px;
    max-width: 800px;
    width: 100%;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    font-size: 24px;
    color: #2c3e50;
    margin: 15px 0;
    border-bottom: 2px solid #f0f2f5;
    padding-bottom: 10px;
}

h1:first-of-type {
    color: #00b894;
    font-size: 28px;
    border-bottom: 3px solid #00b894;
}

button {
    padding: 0;
    background: transparent;
    border: none;
    margin: 10px;
    cursor: pointer;
}

button a {
    display: inline-block;
    padding: 12px 30px;
    background: #00b894;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

button a:hover {
    background: white;
    color: #00b894;
    border-color: #00b894;
    transform: translateY(-2px);
}

button:last-of-type a {
    background: #95a5a6;
}

button:last-of-type a:hover {
    background: white;
    color: #95a5a6;
    border-color: #95a5a6;
}

h1:nth-of-type(3) {
    margin-top: 30px;
    color: #2c3e50;
    font-size: 22px;
}

h1:nth-of-type(n+4) {
    font-size: 18px;
    color: #555;
    border-bottom: 1px dashed #e0e0e0;
    padding: 8px 0;
    margin: 5px 0;
}
.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: #00b894;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.btn:hover {
    background-color: #009678;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}