* {
    box-sizing: border-box;
    padding: 0; 
    margin: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
}

#headerimg {
    margin-bottom: 20px;
}

#navigation ul {
    list-style-type: none;
}

#navigation li {
    margin: 5px 0;
    display: inline;
}

#navigation a {
    background-color: pink;
    padding: 8px 12px;
    border-radius: 20px;
}

#navigation a:hover {
    background-color: green;
}

#gallery {
    text-align: center;
}

.galleryImg {
    width: 200px;
}

h1 {
    margin: 0px;
}

p {
    margin: 18px 5px;
}

a {
    color: black;
    text-decoration: none;
}