body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background-color: #121212; 
    color: #f0f0f0; 
    padding: 20px; 
    box-sizing: border-box; 
}

h3, h4 {
    text-align: center;
    margin-top: 1em;
    color: #ffffff;
}

h3 {
    font-size: 2.5em; 
}

h4 {
    font-size: 2em;
}

div {
    max-width: 800px; 
    width: 100%;
}

p, ul {
    font-size: 1em;
    line-height: 1.5;
    margin: 0.5em 0;
    color: #d3d3d3;
    text-align: justify; 
}

ul {
    list-style-type: disc;
    padding-left: 20px;
}

ul li {
    margin: 0.5em 0;
}

a {
    color: #00bcd4; 
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}