KNACSS/less/_03-grids.less
2015-06-26 14:04:16 +02:00

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/* ---------------------------------- */
/* ==Grids */
/* ---------------------------------- */
// WARNING : KNACSS grids are flexbox based and only supported by IE10+
// Tuto : http://www.alsacreations.com/tuto/lire/1659-une-grille-responsive-avec-flexbox-et-LESS.html
// Demo : http://codepen.io/raphaelgoetter/pen/zxBMLW
// Usage in vanilla CSS:
// - <div class="grid-4"> for an equal fourth columns grid container
// - <div class="grid-2-1"> for an uneven columns grid container
// Usage with preprocessors : if you're using LESS, you can config grids variables :
// n = number of columns (default = 4)
// example : .grid-perso { .grid(12); }
// ... or uneven grids :
// left = left ratio column (default = 2) / right = right ratio column (default = 1)
// example : .grid-perso { .uneven-grid(2, 1); }
[class*="@{kna-namespace}grid-"] {
display: flex;
flex-direction: row;
flex-wrap: wrap;
margin-left: -@gutter;
}
[class*="@{kna-namespace}grid-"] > * {
flex: 0 0 auto;
display: block; /* IE fix */
width: ~'calc(100% * 1 / @{number} - @{gutter} - .01px)';
margin-left: @gutter;
}
// LESS mixins for *equal* columns grid container
// example : .grid-perso { .grid(12); }
.grid(@number:@number, @gutter:@gutter) {
& > * {
width: ~'calc(100% * 1 / @{number} - @{gutter} - .01px)';
}
& > .@{kna-namespace}flex-item-double {
width: ~'calc(100% * 2 / @{number} - @{gutter} - .01px)';
}
@media (min-width: (@tiny-screen + 1)) and (max-width: @small-screen) {
& > * {
width: ~'calc(100% * 1 / 2 - @{gutter} - .01px)';
}
& > .@{kna-namespace}flex-item-double {
width: ~'calc(100% - @{gutter} - .01px)';
}
}
@media (max-width: @tiny-screen) {
& > * {
width: ~'calc(100% - @{gutter} - .01px)';
}
& > .@{kna-namespace}flex-item-double {
width: ~'calc(100% - @{gutter} - .01px)';
}
}
}
// Examples : will be compiled in CSS
.@{kna-namespace}grid-2 {
.grid(2);
}
.@{kna-namespace}grid-3 {
.grid(3);
}
.@{kna-namespace}grid-4 {
.grid(4);
}
.@{kna-namespace}grid-5 {
.grid(5);
}
.@{kna-namespace}grid-6 {
.grid(6);
}
.@{kna-namespace}grid-7 {
.grid(7);
}
.@{kna-namespace}grid-8 {
.grid(8);
}
.@{kna-namespace}grid-10 {
.grid(10);
}
.@{kna-namespace}grid-12 {
.grid(12);
}
// LESS mixins for *unequal* columns grid container
// example : .grid-perso { .uneven-grid(2, 1); }
.uneven-grid(@left:@left, @right:@right, @gutter:@gutter) {
& > *:nth-child(odd) {
@size: (@left / (@left + @right)) * 100%;
width: ~'calc(@{size} - @{gutter})';
}
& > *:nth-child(even) {
@size: (@right / (@left + @right)) * 100%;
width: ~'calc(@{size} - @{gutter})';
}
@media (max-width: @tiny-screen) {
& > *:nth-child(n) {
width: ~'calc(100% - @{gutter})';
}
}
}
// Examples : will be compiled in CSS
.@{kna-namespace}grid-2-1 {
.uneven-grid(2,1);
}
.@{kna-namespace}grid-1-2 {
.uneven-grid(1,2);
}
.@{kna-namespace}grid-3-1 {
.uneven-grid(3,1);
}
.@{kna-namespace}grid-1-3 {
.uneven-grid(1,3);
}
.@{kna-namespace}grid-3-2 {
.uneven-grid(3,2);
}
.@{kna-namespace}grid-2-3 {
.uneven-grid(2,3);
}
.@{kna-namespace}grid-4-1 {
.uneven-grid(4,1);
}
.@{kna-namespace}grid-1-4 {
.uneven-grid(1,4);
}