header {
    text-align: center;
    margin-left: 20%;
    margin-right: 20%;
}

nav ul {
    margin: 0;
    padding: 0;
    list-style-type: none; /* remove bullet points */
}

nav li {
    display: inline;
    margin-right: 20px;
    border-radius: 3px;
}

nav li.navigate {

    background-color: grey;
}

nav li.navigate:hover {
    background-color: rgb(51, 26, 140)
}

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


body {
    background-color: rgb(42, 59, 88);
}

.white {
    background-color: white;
}

table {
    border-radius: 12px;
}


img {
    width: 600px;
    height: 600px;
    border-radius: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}