using only class for styling in BEM

[OlehRovenskyi]

Please use for style only class.

Bad example:

.c-navbar__link {
    list-style: none;

    a {
        color: #ffffff;
    }
}

Good example:

.c-navbar__link {
    list-style: none;

    .c-navbar__link-item {
        color: #ffffff;
    }
}