.menu-chinh {
    list-style-type: none;
    background-color: blue;
    padding: 0;
    margin: 0;
    overflow: hidden;
    display: inline-block;
}

.item-menu {
    float: left;
    border-right: 1px solid white;
}

.item-menu:last-child {
    border-right: none;
}

.item-menu a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
    font-family: Arial, sans-serif;
}

.item-menu a:hover {
    background-color: oldlace;
    color: black;
}