nav {
    background-color: #494c52;
    color: white;
    text-align: center;
    display: flex;
    justify-content: center;
    border-radius: 20px;
}

nav a {
    margin: 0;
    color: rgb(255, 255, 255);
    text-decoration: none;
    font-size: 1.5em;
    margin-right: 0;
    display: inline-block;
    padding: 20px 15px;
    border-radius: 5px;
    backface-visibility: hidden;
}

nav a:hover {
    background-color:  #131d30;
    color: #ffffff;
    transform: scale(1.05);
    box-shadow: 0 4px 8px 0 rgb(44, 44, 44), 0 0 0 0 black;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }
}