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#summary How Melange's Responsive Layout works
For now we are using 4 breakpoints for 4 different type of screen, it's the default breakpoints of bootstrap framework. Bootstrap framework is mobile-first based, therefore we will not violate this concept.
* Extra small devices - Phones (<768px)
* Small devices - Tablets (≥768px)
* Medium devices - Desktops (≥992px)
* Large devices - Desktops (≥1200px)
In LESS files we can use this breakpoints as variables together with media-queries.
* Extra small devices -> @screen-xs
* Small devices -> @screen-sm-min
* Medium devices -> @screen-md-min
* Large devices -> @screen-lg-min
We should define all common styles for any element for without any breakpoint (by default it's will be applied for all screen) and we must use media-queries for override or add custom properties to selector.
For example, our-block.less:
/* it will be applied for all screen sizes, it will be block 100% width and 100% height parent block and have red background */
.our-block {
display: block;
width: 100%;
height: 100%;
background-color: red;
/* it will be applied to all screen starting from small devices where screen width ≥ 768px */
@media (min-width: @screen-sm-min) {
.our-block {
width: 150px;
height: 150px;
/* if we want to set property only for one breakpoint we should set up min-width and max-width */
@media (min-width: @screen-sm-min) and (max-width: @screen-sm-max) {
.our-block {
width: 200px;
height: 200px;
/* in result we will have 200x200 only on screens where width ≥ 768 < 992 for rest (medium, large) we have previous values (150x150) */