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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #333;
}

.about-container {
    background: white;
    width: 100%;
    max-width: 800px;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.about-header {
    text-align: center;
    margin-bottom: 30px;
}

.about-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.about-header p {
    font-size: 16px;
    color: #666;
}

.lab-logo {
    display: block;
    margin: 25px auto 35px auto;
    
}

.about-section {
    margin-bottom: 25px;
}

.about-section h2 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #444;
}

.about-section p {
    line-height: 1.7;
    color: #555;
    font-size: 15px;
    margin-bottom: 10px;
}

.back-button {
    display: inline-block;
    margin-top: 25px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.back-button:active {
    transform: translateY(0);
}