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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    border-bottom: 3px solid #000000;
    padding-bottom: 15px;
}

h2 {
    font-size: 1.8em;
    margin-top: 35px;
    margin-bottom: 15px;
}

h3 {
    font-size: 1.3em;
    margin-top: 25px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

ul {
    margin-left: 30px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 10px;
}

.contact-info {
    background-color: #f5f5f5;
    padding: 20px;
    border-left: 4px solid #000000;
    margin-top: 30px;
}

.contact-info p {
    margin-bottom: 5px;
}

a {
    color: #000000;
    text-decoration: underline;
}

a:hover {
    text-decoration: none;
}