header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 20px;
}

    header img {
        height: 60px;
    }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: transparent;
    color: #4c4802;
}

h1 {
    text-align: center;
}

.container {
    max-width: 700px;
    margin: 40px auto;
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
    .container img {
        height: 100%;
        max-height: 180px;
        width: auto;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        transition: transform 0.3s ease;
        display: block;
        margin: 0 auto;
        text-align: center;
    }

imagen {
    height: 100%;
    max-height: 80px;
    width: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    display: block;
    margin: 0 auto;
    text-align: center;
}

h1 {
    color: darkred;
    margin: 0;
    font-size: 2em;
}

h2 {
    color: darkred;
    margin: 5px 0 20px 0;
    font-size: 1.2em;
}

h3 {
    margin-top: 30px;
    font-size: 1em;
    text-align: center;
}

main {
    width: 80%;
    margin: 0 auto;
    text-align: justify;
}

img {
    height: 100%;
    max-height: 300px;
    width: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    display: block;
    margin: 0 auto;
    text-align: center;
}

footer {
    margin-top: 40px;
    text-align: right;
    padding: 10px 20px;
}

    footer img {
        height: 40px;
    }


/*<style >
body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 700px;
    margin: 40px auto;
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

h1 {
    text-align: center;
    color: #0078d4;
}

p {
    margin-bottom: 18px;
}

a {
    color: #0078d4;
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

footer {
    text-align: center;
    margin-top: 40px;
    color: #888;
    font-size: 0.95em;
}

<style >
body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 700px;
    margin: 40px auto;
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

h1 {
    text-align: center;
    color: #0078d4;
}

p {
    margin-bottom: 18px;
}

a {
    color: #0078d4;
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

footer {
    text-align: center;
    margin-top: 40px;
    color: #888;
    font-size: 0.95em;
}

</style >
*/