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//simple case: @document
.parent {
color:green;
@document url-prefix() {
.child {
color:red;
}
}
}
//selectors joinings test
.top {
@supports (sandwitch: butter) {
.inside & {
property: value;
}
}
}
@supports (sandwitch: bread) {
.in1 {
.in2 {
property: value;
}
}
}
.top {
.inside & {
@supports (sandwitch: ham) {
property: value;
}
}
}
//combined with @font-face which has different kind of body
@supports (font-family: weirdFont) {
@font-face {
font-family: something;
src: made-up-url;
}
}
@font-face {
@supports not (-webkit-font-smoothing: subpixel-antialiased) {
font-family: something;
src: made-up-url;
}
}
//bubling through media
@supports (property: value) {
.outOfMedia & {
@media (max-size: 2px) {
@supports (whatever: something) {
property: value;
}
}
}
}
.onTop & {
@supports (property: value) {
@media (max-size: 2px) {
@supports (whatever: something) {
property: value;
}
}
}
}
//long combination of supports and media
@media print {
html {
in-html: visible;
@supports (upper: test) {
in-supports: first;
div {
in-div: visible;
@supports not (-webkit-font-smoothing: subpixel-antialiased) {
in-supports: second;
@media screen {
font-weight: 400;
nested {
property: value;
}
}
}
}
}
}
}
//another long combination of supports and media
@media print {
@media (max-size: 2px) {
.in1 {
stay: here;
@supports not (-webkit-font-smoothing: subpixel-antialiased) {
.in2 & {
@supports (whatever: something) {
property: value;
}
}
}
}
}
}
//called from mixin
.nestedSupportsMixin() {
font-weight: 300;
-webkit-font-smoothing: subpixel-antialiased;
@supports not (-webkit-font-smoothing: subpixel-antialiased) {
font-weight: 400;
nested {
property: value;
}
}
}
html {
.nestedSupportsMixin;
}
// selectors should not propagate into all directive types
.onTop {
@font-face {
font-family: something;
src: made-up-url;
}
@keyframes "textscale" {
0% { font-size : 1em; }
100% { font-size : 2em; }
}
animation : "textscale";
font-family : something;
}