init media.css

- combine all media queries
- name zmedia to conacat at last
- change some max-width values to group them

assets/css/terms.css

@@ -16,9 +16,3 @@
     background: var(--tertiary);
     transform: scale(.96)
 }
-
-@media (prefers-reduced-motion) {
-    .terms-tags a:active {
-        transform: none
-    }
-}