background-image: -webkit-linear-gradient(top,$button-bg-hover, $dark-red);

Close

No Vendor Prefixes

Rule no-vendor-prefixes will enforce that vendor prefixes are not allowed to be used.

List of prefixes affected by default: * webkit * moz * ms

Options

• additional-identifiers: [array of additional prefixes to check for] (defaults to empty array [])
• excluded-identifiers: [array of prefixes to exclude checking for] (defaults to empty array [])
• ignore-non-standard: true:false (defaults to false)

Examples

When enabled, the following are disallowed:

@-webkit-keyframes anim {
  0% { opacity: 0; }
}

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}

::-moz-placeholder {
  content: '';
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

Additional Identifiers

When additional-identifiers contains a custom prefix value of khtml as show below

no-vendor-prefixes:
  - 1
  -
    additional-identifiers:
      - khtml

The following would now also be disallowed

.baz {
  position: -khtml-sticky;
}

Excluded Identifiers

When excluded-identifiers contains currently disallowed prefix values such as webkit and moz as show below

no-vendor-prefixes:
  - 1
  -
    excluded-identifiers:
      - webkit
      - moz

The following would now be allowed

@-webkit-keyframes anim {
  0% { opacity: 0; }
}

::-moz-placeholder {
  content: '';
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

While the following would remain disallowed

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}

Ignore Non Standard

ignore-non-standard is an option that allows you to specify whether only standard properties from our properties list should be affected by this rule or if any prefixed property / element should be affected.

When ignore-non-standard is set to false the following are disallowed, when ignore-non-standard is set to true the following are allowed:

html {
  -webkit-tap-highlight-color: $link-color-hover;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

  background-image: -ms-linear-gradient(top,$button-bg-hover, $dark-red);

Close

No Vendor Prefixes

Rule no-vendor-prefixes will enforce that vendor prefixes are not allowed to be used.

List of prefixes affected by default: * webkit * moz * ms

Options

• additional-identifiers: [array of additional prefixes to check for] (defaults to empty array [])
• excluded-identifiers: [array of prefixes to exclude checking for] (defaults to empty array [])
• ignore-non-standard: true:false (defaults to false)

Examples

When enabled, the following are disallowed:

@-webkit-keyframes anim {
  0% { opacity: 0; }
}

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}

::-moz-placeholder {
  content: '';
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

Additional Identifiers

When additional-identifiers contains a custom prefix value of khtml as show below

no-vendor-prefixes:
  - 1
  -
    additional-identifiers:
      - khtml

The following would now also be disallowed

.baz {
  position: -khtml-sticky;
}

Excluded Identifiers

When excluded-identifiers contains currently disallowed prefix values such as webkit and moz as show below

no-vendor-prefixes:
  - 1
  -
    excluded-identifiers:
      - webkit
      - moz

The following would now be allowed

@-webkit-keyframes anim {
  0% { opacity: 0; }
}

::-moz-placeholder {
  content: '';
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

While the following would remain disallowed

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}

Ignore Non Standard

ignore-non-standard is an option that allows you to specify whether only standard properties from our properties list should be affected by this rule or if any prefixed property / element should be affected.

When ignore-non-standard is set to false the following are disallowed, when ignore-non-standard is set to true the following are allowed:

html {
  -webkit-tap-highlight-color: $link-color-hover;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

  background-image: -ms-linear-gradient(top, $button-bg-active, $red);

Close

No Duplicate Properties

Rule no-duplicate-properties will enforce that duplicate properties are not allowed within the same block.

Options

• exclude: [array of property names to be excluded from this rule] (defaults to empty array [])

Examples

When enabled, the following are disallowed:

.foo {
  margin: 0 0 15px;
  margin: 0;
}

Exclude

When a property is added to the exclude array as shown below then you may place duplicate properties immediately after one another, this is to prevent accidental duplication of properties.

no-duplicate-properties:
  - 1
  -
    exclude:
      - display

When display is added to the exclude array the following would be allowed:

.display-block {
  display: flex;
  display: inline-block;
  float: right;
}

When display is added to the exclude array the following would still be disallowed as the duplicate properties are separated by another property:

.display-block {
  display: flex;
  float: right;
  display: inline-block;
}

  background-image: -ms-linear-gradient(top, $button-bg-active, $red);

Close

No Vendor Prefixes

Rule no-vendor-prefixes will enforce that vendor prefixes are not allowed to be used.

List of prefixes affected by default: * webkit * moz * ms

Options

• additional-identifiers: [array of additional prefixes to check for] (defaults to empty array [])
• excluded-identifiers: [array of prefixes to exclude checking for] (defaults to empty array [])
• ignore-non-standard: true:false (defaults to false)

Examples

When enabled, the following are disallowed:

@-webkit-keyframes anim {
  0% { opacity: 0; }
}

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}

::-moz-placeholder {
  content: '';
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

Additional Identifiers

When additional-identifiers contains a custom prefix value of khtml as show below

no-vendor-prefixes:
  - 1
  -
    additional-identifiers:
      - khtml

The following would now also be disallowed

.baz {
  position: -khtml-sticky;
}

Excluded Identifiers

When excluded-identifiers contains currently disallowed prefix values such as webkit and moz as show below

no-vendor-prefixes:
  - 1
  -
    excluded-identifiers:
      - webkit
      - moz

The following would now be allowed

@-webkit-keyframes anim {
  0% { opacity: 0; }
}

::-moz-placeholder {
  content: '';
}

.foo {
  -webkit-transition: none;
}

.bar {
  position: -moz-sticky;
}

While the following would remain disallowed

.ms-block {
  -ms-hyphenate-limit-lines: no-limit;
}

Ignore Non Standard

ignore-non-standard is an option that allows you to specify whether only standard properties from our properties list should be affected by this rule or if any prefixed property / element should be affected.

When ignore-non-standard is set to false the following are disallowed, when ignore-non-standard is set to true the following are allowed:

html {
  -webkit-tap-highlight-color: $link-color-hover;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.75), inset 0 2px 0 0 rgba(255, 192, 192, 0.5), inset 0 0 0 2px rgba(255, 96, 96, 0.85), 3px 3px 3px 1px rgba(0, 0, 0, 0.15);

Close

Leading Zero

Rule leading-zero will enforce whether or not decimal numbers should include a leading zero.

Options

• include: true/false (defaults to false)

Examples

When include: false, the following are allowed. When include: true, the following are disallowed:

.foo {
  font-size: .5em;
}

When include: true, the following are allowed. When include: false, the following are disallowed:

.foo {
  font-size: 0.5em;
}

  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.75), inset 0 2px 0 0 rgba(255, 192, 192, 0.5), inset 0 0 0 2px rgba(255, 96, 96, 0.85), 3px 3px 3px 1px rgba(0, 0, 0, 0.15);

Close

No Color Literals

Rule no-color-literals will disallow the use of color literals and basic color functions in any declarations other than variables or maps/lists.

The list of affected color functions are as follows: * rgb * rgba * hsl * hsla

Other color functions, such as adjust-color and mix, may be used, but the original color must be passed in as a variable.

Options

• allow-map-identifiers: true/false (defaults to true)
• allow-rgba: true/false (defaults to false)
• allow-variable-identifiers: true/false (defaults to true)

Examples

When enabled and default options are used the following are disallowed.

.literal {
  color: mediumslateblue;
}

.linear-gradient-func {
  background: linear-gradient(top, #fff, white);
}

.box-shadow {
  box-shadow: 1px 1px black, 1px 1px black;
}

.background {
  background: 1px solid white;
}

.hex {
  color: #fff;
}

// rgb function passed directly as function argument
.adj {
  color: adjust-color(rgb(255, 0, 0), $blue: 5);
}

// hsl function passed directly as function argument
.scale {
  color: scale-color(hsl(120, 70%, 80%), $lightness: 50%);
}

// hsl function passed directly as function argument
.change {
  color: change-color(hsl(25, 100%, 80%), $lightness: 40%, $alpha: .8);
}

// color literal passed directly as function argument
.function {
  color: test(#fff);
}

// color functions used directly as property values
.rgb {
  color: rgb(255, 255, 255);
}

.rgba {
  color: rgba(255, 255, 255, .3);
}

.hsl {
  color: hsl(40, 50%, 50%);
}

.hsla {
  color: hsla(40, 50%, 50%, .3);
}

When enabled and default options are used the following are allowed.

$literal: mediumslateblue;
$hexVar: #fff;
$rgb: rgb(255, 255, 255);
$rgba: rgba(255, 255, 255, .3);
$hsl: hsl(40, 50%, 50%);
$hsla: hsla(40, 50%, 50%, .3);

// using color literals as property names
$colors: (
  red: #fff,
  blue : (
    orange: #fff
  )
);

// using color literals as variable identifiers
$black: #000;

.literal {
  color: $literal;
}

.linear-gradient-func {
  background: linear-gradient(top, $hexVar, $literal);
}

.background {
  background: 1px solid $literal;
}

.hex {
  color: $hexVar;
}

.adj {
  color: adjust-color($off-red, $blue: 5);
}

.scale {
  color: scale-color($off-blue, $lightness: 50%);
}

.change {
  color: change-color($orange-extra, $lightness: 40%, $alpha: .8);
}

.function {
  color: test($hexVar);
}

.rgb {
  color: $rgb;
}

.rgba {
  color: $rgba;
}

.hsl {
  color: $hsl;
}

.hsla {
  color: $hsla;
}

---

[allow-rgba: true]

When enabled and allow-rgba is set to true, the following will be allowed:

// rgba in variables is still fine
$rgba: rgba(255, 0, 0, .5);
$red: rgb(255, 255, 255,);

// rgba can be used directly to alter a variables opacity
.color {
  color: rgba($red, .3);
}

In addition, when enabled and allow-rgba is set to true, the following will be disallowed:

.color {
  // you must use variables and not literals
  color: rgba(0, 0, 0, .3);
  color: rgba(black, .3);
}

---

[allow-variable-identifiers: false]

When enabled and allow-variable-identifiers is set to false, the following will be disallowed

// variable uses a color literal as an identifier
$black: #000

// variable using a color literal as an identifier is passed to a function
.test {
  color: adjust-color($off-red, $blue: 5)
}

When enabled and allow-variable-identifiers is set to false, the following will be allowed

// variable not directly using a color literal as an identifier
$primary-black: #000

---

[allow-map-identifiers: false]

When enabled and allow-map-identifiers is set to false, the following will be disallowed

// map identifiers red, blue and orange share their name with a
// color literal and therefore shouldn't be used
$colors: (
  red: #f00,
  blue: (
    orange: $orange
  )
)

When enabled and allow-map-identifiers is set to false, the following will be allowed

$colors: (
  primary-red: #f00,
  map-blue: (
    off-orange: $orange
  )
)

nav .sm li li a {

Close

Force Element Nesting

Rule force-element-nesting will enforce the nesting of elements

Examples

When enabled, the following are disallowed:

div p {
  content: '';
}

.parent {
  &__child h1 {
    content: '';
  }
}

a[target="_blank"] span {
  content: '';
}

When enabled, the following are allowed:

div {
  p {
    content: '';
  }
}

.parent {
  &__child {
    h1 {
      content: '';
    }
  }
}

a[target="_blank"] {
  span {
    content: '';
  }
}

  padding:          0.2em 0.6em 0.2em 0.2em;

Close

Leading Zero

Rule leading-zero will enforce whether or not decimal numbers should include a leading zero.

Options

• include: true/false (defaults to false)

Examples

When include: false, the following are allowed. When include: true, the following are disallowed:

.foo {
  font-size: .5em;
}

When include: true, the following are allowed. When include: false, the following are disallowed:

.foo {
  font-size: 0.5em;
}

.c-sidebar-footer a:hover {

Close

Force Pseudo Nesting

Rule force-pseudo-nesting will enforce the nesting of pseudo elements/classes.

Examples

When enabled, the following are disallowed: ```scss p:nth-of-type(2) { margin: 0; }

.parent { .child { p::first-line { color: #ff0000; } } }

.parent { .child { .sub p::first-line { color: #ff0000; } } } ```

When enabled, the following are allowed:

p {
  &:nth-of-type(2) {
    margin: 0;
  }
}

.parent {
  .child {
    p {
      &::first-line {
        color: #ff0000;
      }
    }
  }
}

.parent {
  .child {
    .sub p {
      &::first-line {
        color: #ff0000;
      }
    }
  }
}

form .ui-sortable-handle {

Close

Force Element Nesting

Rule force-element-nesting will enforce the nesting of elements

Examples

When enabled, the following are disallowed:

div p {
  content: '';
}

.parent {
  &__child h1 {
    content: '';
  }
}

a[target="_blank"] span {
  content: '';
}

When enabled, the following are allowed:

div {
  p {
    content: '';
  }
}

.parent {
  &__child {
    h1 {
      content: '';
    }
  }
}

a[target="_blank"] {
  span {
    content: '';
  }
}

.ui-sortable-handle:active {

Close

Force Pseudo Nesting

Rule force-pseudo-nesting will enforce the nesting of pseudo elements/classes.

Examples

When enabled, the following are disallowed: ```scss p:nth-of-type(2) { margin: 0; }

.parent { .child { p::first-line { color: #ff0000; } } }

.parent { .child { .sub p::first-line { color: #ff0000; } } } ```

When enabled, the following are allowed:

p {
  &:nth-of-type(2) {
    margin: 0;
  }
}

.parent {
  .child {
    p {
      &::first-line {
        color: #ff0000;
      }
    }
  }
}

.parent {
  .child {
    .sub p {
      &::first-line {
        color: #ff0000;
      }
    }
  }
}

.table-striped tr {

Close

Force Element Nesting

Rule force-element-nesting will enforce the nesting of elements

Examples

When enabled, the following are disallowed:

div p {
  content: '';
}

.parent {
  &__child h1 {
    content: '';
  }
}

a[target="_blank"] span {
  content: '';
}

When enabled, the following are allowed:

div {
  p {
    content: '';
  }
}

.parent {
  &__child {
    h1 {
      content: '';
    }
  }
}

a[target="_blank"] {
  span {
    content: '';
  }
}

  padding-left:     0.5em;

Close

Leading Zero

Rule leading-zero will enforce whether or not decimal numbers should include a leading zero.

Options

• include: true/false (defaults to false)

Examples

When include: false, the following are allowed. When include: true, the following are disallowed:

.foo {
  font-size: .5em;
}

When include: true, the following are allowed. When include: false, the following are disallowed:

.foo {
  font-size: 0.5em;
}

.table-striped .longer {

Close

Force Element Nesting

Rule force-element-nesting will enforce the nesting of elements

Examples

When enabled, the following are disallowed:

div p {
  content: '';
}

.parent {
  &__child h1 {
    content: '';
  }
}

a[target="_blank"] span {
  content: '';
}

When enabled, the following are allowed:

div {
  p {
    content: '';
  }
}

.parent {
  &__child {
    h1 {
      content: '';
    }
  }
}

a[target="_blank"] {
  span {
    content: '';
  }
}

  margin:           0.5em 1px 0.1em;

Close

Leading Zero

Rule leading-zero will enforce whether or not decimal numbers should include a leading zero.

Options

• include: true/false (defaults to false)

Examples

When include: false, the following are allowed. When include: true, the following are disallowed:

.foo {
  font-size: .5em;
}

When include: true, the following are allowed. When include: false, the following are disallowed:

.foo {
  font-size: 0.5em;
}

  margin:           0.2em 0.2em 0.2em 0;

Close

Leading Zero

Rule leading-zero will enforce whether or not decimal numbers should include a leading zero.

Options

• include: true/false (defaults to false)

Examples

When include: false, the following are allowed. When include: true, the following are disallowed:

.foo {
  font-size: .5em;
}

When include: true, the following are allowed. When include: false, the following are disallowed:

.foo {
  font-size: 0.5em;
}

main .textshort {

Close

Force Element Nesting

Rule force-element-nesting will enforce the nesting of elements

Examples

When enabled, the following are disallowed:

div p {
  content: '';
}

.parent {
  &__child h1 {
    content: '';
  }
}

a[target="_blank"] span {
  content: '';
}

When enabled, the following are allowed:

div {
  p {
    content: '';
  }
}

.parent {
  &__child {
    h1 {
      content: '';
    }
  }
}

a[target="_blank"] {
  span {
    content: '';
  }
}

/* ShinyCMS ~ https://shinycms.org

Close

No CSS Comments

Rule no-css-comments will enforce the use of Sass single-line comments and disallow CSS comments. Bang comments (/*! */, will be printed even in minified mode) are still allowed.

Examples

When enabled the following are allowed:

// This is a good comment

// =========
// This is a good comment
// =========

//////////////////
// This is a good comment
//////////////////

/*! This is a good bang comment */

/*!
  * This is a good bang comment
**/

When enabled the following are disallowed:

/* This comment will appear in your compiled css */

/*
 * Mulitline comments are bad
 */

/* ===== ( styles for tag clouds ) ===== */

Close

No CSS Comments

Rule no-css-comments will enforce the use of Sass single-line comments and disallow CSS comments. Bang comments (/*! */, will be printed even in minified mode) are still allowed.

Examples

When enabled the following are allowed:

// This is a good comment

// =========
// This is a good comment
// =========

//////////////////
// This is a good comment
//////////////////

/*! This is a good bang comment */

/*!
  * This is a good bang comment
**/

When enabled the following are disallowed:

/* This comment will appear in your compiled css */

/*
 * Mulitline comments are bad
 */

$light-blue:        #89C4F4;

Close

Hex Notation

Rule hex-notation will enforce the case of hexadecimal values

Options

• style: lowercase/uppercase (defaults to lowercase)

Examples

When style: lowercase, the following are allowed. When style: uppercase, the following are disallowed:

$foo-color: #fff;

.bar {
  background: linear-gradient(top, #cc2, #44d);
}

.baz {
  color: #12a;
}

When style: uppercase, the following are allowed. When style: lowercase, the following are disallowed:

$foo-color: #FFF;

.bar {
  background: linear-gradient(top, #CC2, #44D);
}

.baz {
  color: #12A;
}

In both cases the following will be allowed as the values contain only numbers:

.qux {
  color: #123;
}