body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    }
.container {
    position: relative;
    max-width: 800px;
    margin: 50px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }
h1 {
    color: #0f1e5a;
    border-bottom: 2px solid #cc0000;
    padding-bottom: 10px;
    }
h2 {
    color: #000000;
    }
a {
    color: #0f1e5a;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background-color 0.3s;
    }
a:hover {
    color: #fff;
    background-color: #cc0000;
    }
ul {
    list-style-type: none;
    padding: 0;
    }
li {
    padding: 10px 0;
    }
.logo-container {
    text-align: center;
    padding: 20px 0;
    }
.logo {
    width: 150px;
    display: inline-block;
    margin: 0 auto;
    }
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #0f1e5a;
    }
nav li {
    float: left;
    }
nav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 0px 16px;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0);
    }
nav li a:hover {
    background-color: #004c99;
    color: #fff;
    text-decoration: underline;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
nav {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
.greeting-container {
    display: flex;
    align-items: center;
}
.greeting-message {
    margin-right: 10px;}
.logout-form {
display: inline;
margin: 0;
}
.logout-button {
background: none;
border: none;
padding: 0;
color: blue;
text-decoration: underline;
cursor: pointer;
}