.hyphenated-lowercase
  content: ''

.snake_case
  content: ''

.camelCase
  content: ''

.PascalCase
  content: ''

  .Camel_Snake_Case
    content: ''

    .SCREAMING_SNAKE_CASE
      content: ''

._with-leading-underscore
  content: ''

._does_NOT-fitSTANDARD
  @extend .snake_case

.block-name__elem-name
  content: ''

.block
  &__element
    &--modifier
      color: green
  &__another-element
    &--modifier
      color: red
    &--another-modifier
      color: yellow
  &--non-element-modifier
    color: blue

.owner-name_mod-name_mod-val
  content: ''

.owner-name
  &_mod-name
    &_mod-val
      color: blue

.site-search
  color: blue
  width: 50px
  height: 100%

.site-search__field
  text-decoration: underline

.site-search--full
  color: green

.hyphentated-lowercase
  color: blue

  &-with-suffix-extension
    color: green

    &-and-another
      color: red

  &-INVALID
    color: pink

.one_parent,
.two_parents,
.third-invalid-parent
  width: 10px

  &_valid_child,
  &-invalid-child
    height: 10px