/* Set the default font family and size */
body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    background-color:#333;
    color: whitesmoke;
}

h1 {
    text-align: center;
}

header {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 5%;
    z-index: 1;
    background-color: black;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.25);
}

nav {
    align-self: center;
}
  
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
nav li {
    margin-right: 10px;
    align-self: center;
}
nav a {
    color: white;
    text-decoration: none;
    padding: 5px;
    border-radius: 5px;
}
nav a:hover {
    background-color: #555;
}

/* Style the main content area */
main {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Style the demo button */
button {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 5px;
}
button:hover {
    background-color: #3e8e41;
}

/* Style the screenshots */
.fit-picture {
    display: block;
    margin-left: auto;
    margin-right: auto;
    align-self: center;
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
    border-radius: 5px;
}