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Back to the :roots

Published: September 09 2015

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Hi,

Thanks for this great feature. Is there a way to apply this only to horizontal scrollbars? (and no to the vertical one)

Thanks,
Regards,
Fran Tortosa

When to use which CSS methodology

Published: November 27 2016

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We actually did the something like this with SCSS. There was a layout module, which defined the structure of the component (padding, size, animation) and defined a lot of color variables it used inside (for like border color) and their state-dependant variables (like hovered background color) and defined the basic color inheritances.

$color-button-default-background: #000 !default;
$color-button-default-text: #fff !default;
$color-button-hovered-background: $color-button-default-background !default;
$color-button-hovered-text: $color-button-default-text !default;
.button {
  color: $color-button-default-text;
  background: $color-button-default-background;
  &:hover {
    color: $color-button-hovered-text;
    background: $color-button-hovered-background;
  }
}

Next to it there was a color module for each color scheme, which defines the basic colors of the scheme and maps it to the component color variable.

/// raw colors
$schema-bright-red: #f00;
$schema-bright-blue: #00f;
$schema-bright-green: #0f0;

/// mapping
$color-button-default-background: $schema-bright-red !default;
$color-button-default-text: $schema-bright-blue !default;
$color-button-hovered-text: $schema-bright-yellow !default;

And then when you wanted to use a component with the color scheme, you have to import the two files in the proper order:

.theme-bright {
  @import "schema-bright";
  @import "component-layouts";
}

And because of the use of !default not just in the layout, but in the schema as well, you can override basic colors of component colors at the import level:

.theme-bright--custom {
  $color-bright-red: #e11;
  $color-button-hovered-text: aquamarine;
  @import "schema-bright";
  @import "component-layouts";
}

Wow, so minimalistic but powerful! Thank you! I really like the Dark Sea together with the Vue syntax :)

One thing to keep in mind about filters, is that colour management is still terrible on the web. Many of the maths for various filters assume they are working on linear data (like blur), but css can only really handle sRGB colour, which means ugliness will show up.
Always check if your filter is adding or multiplying anything, because if it does, your colours will clip and look bad.

Which versions of Atom does this support?