Navigation CSS code

navigation css code

.flexContainer {
    display: flex;
}
.flexItem {
    flex: 1;
}
.flexStart {
    justify-content: flex-start;
}
.flexEnd {
    justify-content: flex-end;
}
.blueBackground {
    background: lightskyblue;
}
.nav {
    list-style: none;
}
.nav a {
    text-decoration: none;
    display: block;
    padding: 0 1em;
    color: white;
}