* {
    box-sizing: border-box;
}

.header {
    padding: 10px 10px;
    text-align: center;
    background: #e5e5e5;
    color: black;
    border-bottom: solid 1px #e5e5e5;
}

/* Increase the font size of the heading */
.header h1 {
    margin-top: 20px;
    text-transform: uppercase;
    font-size: 40px;
}

/* Style the top navigation bar */
.navbar {
    overflow: hidden;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    border-bottom: solid 1px #e5e5e5;
}

/* Style the navigation bar links */
.navbar a {
    color: black;
    padding: 14px 20px;
    text-decoration: none;
}

/* Change color on hover */
.navbar a:hover {
    background-color: #ddd;
    color: black;
}

.image {
    display: block;
    margin: 20px auto;
}

.top-buffer {
    margin-bottom: 20px;
}