media.less 3.4 KB

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  1. 
  2. // For now, variables can't be declared inside @media blocks.
  3. @var: 42;
  4. @media print {
  5. .class {
  6. color: blue;
  7. .sub {
  8. width: @var;
  9. }
  10. }
  11. .top, header > h1 {
  12. color: (#222 * 2);
  13. }
  14. }
  15. @media screen {
  16. @base: 8;
  17. body { max-width: (@base * 60); }
  18. }
  19. @ratio_large: 16;
  20. @ratio_small: 9;
  21. @media all and (device-aspect-ratio: ~'@{ratio_large} / @{ratio_small}') {
  22. body { max-width: 800px; }
  23. }
  24. @media all and (orientation:portrait) {
  25. aside { float: none; }
  26. }
  27. @media handheld and (min-width: @var), screen and (min-width: 20em) {
  28. body {
  29. max-width: 480px;
  30. }
  31. }
  32. body {
  33. @media print {
  34. padding: 20px;
  35. header {
  36. background-color: red;
  37. }
  38. @media (orientation:landscape) {
  39. margin-left: 20px;
  40. }
  41. }
  42. }
  43. @media screen {
  44. .sidebar {
  45. width: 300px;
  46. @media (orientation: landscape) {
  47. width: 500px;
  48. }
  49. }
  50. }
  51. @media a {
  52. .first {
  53. @media b {
  54. .second {
  55. .third {
  56. width: 300px;
  57. @media c {
  58. width: 500px;
  59. }
  60. }
  61. .fourth {
  62. width: 3;
  63. }
  64. }
  65. }
  66. }
  67. }
  68. body {
  69. @media a, b and c {
  70. width: 95%;
  71. @media x, y {
  72. width: 100%;
  73. }
  74. }
  75. }
  76. .mediaMixin(@fallback: 200px) {
  77. background: black;
  78. @media handheld {
  79. background: white;
  80. @media (max-width: @fallback) {
  81. background: red;
  82. }
  83. }
  84. }
  85. .a {
  86. .mediaMixin(100px);
  87. }
  88. .b {
  89. .mediaMixin();
  90. }
  91. @smartphone: ~"only screen and (max-width: 200px)";
  92. @media @smartphone {
  93. body {
  94. width: 480px;
  95. }
  96. }
  97. @media print {
  98. @page :left {
  99. margin: 0.5cm;
  100. }
  101. @page :right {
  102. margin: 0.5cm;
  103. }
  104. @page Test:first {
  105. margin: 1cm;
  106. }
  107. @page :first {
  108. size: 8.5in 11in;
  109. @top-left {
  110. margin: 1cm;
  111. }
  112. @top-left-corner {
  113. margin: 1cm;
  114. }
  115. @top-center {
  116. margin: 1cm;
  117. }
  118. @top-right {
  119. margin: 1cm;
  120. }
  121. @top-right-corner {
  122. margin: 1cm;
  123. }
  124. @bottom-left {
  125. margin: 1cm;
  126. }
  127. @bottom-left-corner {
  128. margin: 1cm;
  129. }
  130. @bottom-center {
  131. margin: 1cm;
  132. }
  133. @bottom-right {
  134. margin: 1cm;
  135. }
  136. @bottom-right-corner {
  137. margin: 1cm;
  138. }
  139. @left-top {
  140. margin: 1cm;
  141. }
  142. @left-middle {
  143. margin: 1cm;
  144. }
  145. @left-bottom {
  146. margin: 1cm;
  147. }
  148. @right-top {
  149. margin: 1cm;
  150. }
  151. @right-middle {
  152. content: "Page " counter(page);
  153. }
  154. @right-bottom {
  155. margin: 1cm;
  156. }
  157. }
  158. }
  159. @media (-webkit-min-device-pixel-ratio: 2), (min--moz-device-pixel-ratio: 2), (-o-min-device-pixel-ratio: ~"2/1"), (min-resolution: 2dppx), (min-resolution: 128dpcm) {
  160. .b {
  161. background: red;
  162. }
  163. }
  164. .bg() {
  165. background: red;
  166. @media (max-width: 500px) {
  167. background: green;
  168. }
  169. }
  170. body {
  171. .bg();
  172. }
  173. @bpMedium: 1000px;
  174. @media (max-width: @bpMedium) {
  175. body {
  176. .bg();
  177. background: blue;
  178. }
  179. }
  180. @media (max-width: 1200px) {
  181. /* a comment */
  182. @media (max-width: 900px) {
  183. body { font-size: 11px; }
  184. }
  185. }
  186. .nav-justified {
  187. @media (min-width: 480px) {
  188. > li {
  189. display: table-cell;
  190. }
  191. }
  192. }
  193. .menu
  194. {
  195. @media (min-width: 768px) {
  196. .nav-justified();
  197. }
  198. }
  199. @all: ~"all";
  200. @tv: ~"tv";
  201. @media @all and @tv {
  202. .all-and-tv-variables {
  203. var: all-and-tv;
  204. }
  205. }
  206. @some-var: 60px;
  207. @media screen and (min-width: (@some-var + 1)) {
  208. .selector {
  209. foo: bar;
  210. }
  211. }