h1 {
  text-align: center;
  margin-bottom: 20px;
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden; /* removes scroll bar */
    background: url('my-image.jpg') no-repeat center center fixed;
    background-size: cover;
    font-family: Georgia, serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
	padding-top: 150px;
;
}

.content-box {
    margin: 0 12px;        
    padding: 8px 14px;     
    text-decoration: none;
    color: #222;
    font-weight: bold;
}

h1 {
    margin-top: 0;
    font-size: 2rem;
    color: #222;
}

nav a {
    position: relative;
    display: inline-block;
    margin: 12px 0;
    color: #222;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    background: #222;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}