Vulcan/packages/telescope-theme-hubble/lib/client/scss/partials/_grid.scss

$grid-unit:70px;
$grid-margin:10px;
$grid-padding:15px;
$break-small:500px;

$small-break: 600px;
$medium-break: 800px;

@mixin small(){
  @media screen and (max-width: $small-break) {
    @content;
  }
}
@mixin small-medium(){
  @media screen and (max-width: $medium-break) {
    @content;
  }
}
@mixin medium(){
  @media screen and (min-width: $small-break) and (max-width: $medium-break) {
    @content;
  }
}
@mixin medium-large(){
  @media screen and (min-width: $small-break) {
    @content;
  }
}
@mixin large(){
  @media screen and (min-width: $medium-break) {
    @content;
  }
}

.content-wrapper{
  @include small{
    overflow-x: hidden;
  }
}
.grid{
	width:100%;
	margin-left: auto;
	margin-right: auto;
}
.grid-small, .at-form{
  width: 100%;
  @include medium-large{
	 max-width:500px;
  }
	margin-left: auto;
  margin-right: auto;
}