.main-nav, .sub-nav {
    display: flex;
    justify-content: center;
    gap: 1em;
    margin: auto;
    font-size: 1rem;
    width: auto;
    flex-wrap: wrap;
    overflow: hidden;
    position: relative;
    
}

.main-nav {
    margin-bottom: 0.9em;
}

.main-nav a, .sub-nav a {
    font-family: 'Cal Sans', sans-serif;    
    padding: 0.5em 1em;
    border: 1px solid #FFFFFF; 
    fill: black;
    background-color: #000;
    color: #fff;
}

.main-nav a:hover, .sub-nav a:hover {
    background-color: #0B8520;
    color: #000000;
    border-bottom: none;
}