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1 | # CSS Modules: Values
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2 |
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3 | Pass arbitrary values between your module files
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4 |
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5 | ### Usage
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6 |
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7 | ```css
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8 | /* colors.css */
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9 | @value primary: #BF4040;
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10 | @value secondary: #1F4F7F;
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11 |
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12 | .text-primary {
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13 | color: primary;
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14 | }
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15 |
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16 | .text-secondary {
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17 | color: secondary;
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18 | }
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19 | ```
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20 |
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21 | ```css
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22 | /* breakpoints.css */
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23 | @value small: (max-width: 599px);
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24 | @value medium: (min-width: 600px) and (max-width: 959px);
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25 | @value large: (min-width: 960px);
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26 | ```
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27 |
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28 | ```css
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29 | /* my-component.css */
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30 | /* alias paths for other values or composition */
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31 | @value colors: "./colors.css";
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32 | /* import multiple from a single file */
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33 | @value primary, secondary from colors;
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34 | /* make local aliases to imported values */
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35 | @value small as bp-small, large as bp-large from "./breakpoints.css";
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36 | /* value as selector name */
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37 | @value selectorValue: secondary-color;
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38 |
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39 | .selectorValue {
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40 | color: secondary;
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41 | }
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42 |
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43 | .header {
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44 | composes: text-primary from colors;
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45 | box-shadow: 0 0 10px secondary;
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46 | }
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47 |
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48 | @media bp-small {
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49 | .header {
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50 | box-shadow: 0 0 4px secondary;
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51 | }
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52 | }
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53 | @media bp-large {
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54 | .header {
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55 | box-shadow: 0 0 20px secondary;
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56 | }
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57 | }
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58 | ```
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59 |
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60 | **If you are using Sass** along with this PostCSS plugin, do not use the colon `:` in your `@value` definitions. It will cause Sass to crash.
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61 |
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62 | Note also you can _import_ multiple values at once but can only _define_ one value per line.
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63 |
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64 | ```css
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65 | @value a: b, c: d; /* defines a as "b, c: d" */
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66 | ```
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67 |
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68 | ## License
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69 |
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70 | ISC
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71 |
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72 | ## With thanks
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73 |
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74 | - Mark Dalgleish
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75 | - Tobias Koppers
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76 | - Josh Johnston
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77 |
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78 | ---
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79 |
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80 | Glen Maddern, 2015.
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