main {
    background-image: url('mastermet-tools.jpg');
    background-size: cover; 
    background-position: center; 
    background-repeat: no-repeat; 
}

body {
    width: 100%;  /* or any width you prefer */
    margin: 0 auto;  /* This centers the element horizontally */
    overflow-x: hidden;
}

.nav-pills .nav-link.active {
    background-color: hsl(0, 0%, 50%);
    color: white;
}



.nav-item .nav-link.active:hover {
    background-color: rgba(128, 128, 128, 0.5); 
    color: black; 
}

.nav-link:hover {
    color: gray !important; 
}