header {
    background-color: #b19abe;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    color: #333333;
    position: fixed;
    width: 100%;
}
body {
    font-family:  Tahoma, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #333333;
    width: 100%;
    text-align: center;
}

footer {
    background-color: #b19abe;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

nav {
    background-color: #b19abe;
    padding: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;

}

nav ul li {
    display: inline;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    padding: 5px 5px;
    border-radius: 4px;
    transition: background 0.2s;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: #0056b3;
}
form {
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #dddddd;
    border-radius: 5px;
    max-width: 400px;
    background-color: #f9f9f9;
}
form input[type="text"] {
    border: 1px solid #cccccc;
    border-radius: 4px;
    padding: 8px;
    width: 150px;
    margin-bottom: 10px;
}
form input[type="password"] {
    border: 1px solid #cccccc;
    border-radius: 4px;
    padding: 8px;
    width: 150px;
    margin-bottom: 10px;
}
form input[type="submit"] {
    background-color: #4CAF50;
    color: white;
    border: 1px solid #cccccc;
    border-radius: 4px;
    padding: 8px;
    width: 150px;
    margin-bottom: 10px;
}
form input[type="submit"]:hover {
    background-color: #1c2a1d;
}

select {
    width: 40px;
    padding: 5px;
    margin: 5px 0;
    border: 1px solid #cccccc;
    border-radius: 4px;
    box-sizing: border-box;
}


input[type="number"], select, textarea {
    border: 1px solid #cccccc;
    border-radius: 4px;
    padding: 8px;
    width: 150px;
    margin-bottom: 10px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    text-align: center;
    font-size: smaller;
}
tr {
    background-color: #f2f2f2;
    border-bottom: 1px solid #dddddd;
    border-radius: 5px;
}