body {
    font-family: 'Arial', sans-serif;
    background: url('background.png') no-repeat center center fixed;
    background-size: cover;
    color: #333;
    margin: 0;
}

h1, h2 {
    font-family: 'Times New Roman', sans-serif;
    color: #800000;
}

section {
    width: 95%;
    margin: 1em auto;
    padding:1em;
    border: 2px solid #000;
    border-radius: 12px;
    background: rgba(255,255,255,0.8);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

header {
    width: 95%;
    margin: 0.5em auto 0;
    position: relative;
    padding: 2em;
    background: linear-gradient(135deg, #004080, #21a1e1);
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    text-align: center;
    color: #fff;
}

header img.logo {
    float: left;
    width: 100px;
    height: 100px;
    border: 12px solid #8B0000;
}

header img.avatar {
    float: right;
    width: 100px;
    height: 100px;
    border: 12px solid #fff;
}

header h1 {
    margin: 0.2em 0;
    font-size: 2em;
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}

header p.email a {
    color: #fff;
    font-size: 1em;
}

header nav a {
    color: #cce6ff;
    text-decoration: none;
    margin: 0 0.5em;
    transition: color 0.3s;
}
header nav a:hover {
    color: #fff;
    text-decoration: underline;
}

table {
    width: 80%;
    height: auto;
    margin: 0.5em 0;
}

table, th, td {
    border: 1px solid;
}

form select,
form input[list] {
    font-size: 1em;
    padding: 0.3em;
}