* {
    box-sizing: border-box;
    margin: 0;
    font-size: 20px;
    font-family: 'Times New Roman', Times, serif;
}

body {
    padding: 20px;
}

select {
    padding: 8px 12px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: white;
    font-size: 16px;
}

body.dark {
    background-color: #333;
    color: white;
}

body.dark select {
    background-color: #555;
    color: white;
    border-color: #777;
}

body.dark .content {
    background-color: #333;
    border-color: #555;
}

body.dark h1 {
    color: white;
}

body.dark .subtitle {
    border-bottom-color: #555;
}

body.dark .titles h2 {
    color: #4A9EFF; 
}

body.dark p {
    color: white;
}

body.dark em {
    color: #e0e0e0;
}

body.dark li {
    color: white;
}

.content {
    max-width: 600px;
    border: 1px solid #ccc;
    background-color: white;
    margin: 0 auto;
    padding: 80px;
}

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

.titles h1 {
    font-size: 35px;
    font-weight: bold;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin: 0 0 25px 0;
}

.titles h2 {
    color: #006EB6;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: normal;
    margin: 0;
}

.subtitle {
    border-bottom: 1px solid #ccc;
    padding-bottom: 3px;
}

main {
    text-align: left;
    margin-bottom: 30px;
}

main p {
    line-height: 1.5;
    margin-bottom: 20px;
    text-align: left;
}

.list {
    line-height: 1.5;
    margin-left: 20px;
}

.list li {
    margin-bottom: 15px;
    text-align: left;
}

footer {
    text-align: center;
}

footer img {
    width: 150px;
    height: auto;
}