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@variables {
  W: 960px; // Container Width
  C: 12;    // Column Count
  G: 20px;  // Gutter Width
}

/* `Containers -------------------------------------------------------------*/

.container-12 {
  width: var(W);
  margin-left: auto;
  margin-right: auto;
}

/* `Grid >> Global ---------------------------------------------------------*/

.grid-1,
.grid-2,
.grid-3,
.grid-4,
.grid-5,
.grid-6,
.grid-7,
.grid-8,
.grid-9,
.grid-10,
.grid-11,
.grid-12 {
  display: inline;
  position: relative;
  float: left;
  margin-left:  eval(G/2);
  margin-right: eval(G/2);
}

/* `Grid >> Children (Alpha ~ First, Omega ~ Last) -------------------------*/

.alpha { margin-left: 0; }
.omega { margin-right: 0; }

/* `Grid >> 12 Columns -----------------------------------------------------*/

.container-12 .grid-1  { width: eval(((W/C)* 1)-G); }
.container-12 .grid-2  { width: eval(((W/C)* 2)-G); }
.container-12 .grid-3  { width: eval(((W/C)* 3)-G); }
.container-12 .grid-4  { width: eval(((W/C)* 4)-G); }
.container-12 .grid-5  { width: eval(((W/C)* 5)-G); }
.container-12 .grid-6  { width: eval(((W/C)* 6)-G); }
.container-12 .grid-7  { width: eval(((W/C)* 7)-G); }
.container-12 .grid-8  { width: eval(((W/C)* 8)-G); }
.container-12 .grid-9  { width: eval(((W/C)* 9)-G); }
.container-12 .grid-10 { width: eval(((W/C)*10)-G); }
.container-12 .grid-11 { width: eval(((W/C)*11)-G); }
.container-12 .grid-12 { width: eval(((W/C)*12)-G); }

/* `Prefix Extra Space >> 12 Columns ---------------------------------------*/

.container-12 .prefix-1  { padding-left: eval(((W/C)* 1)); }
.container-12 .prefix-2  { padding-left: eval(((W/C)* 2)); }
.container-12 .prefix-3  { padding-left: eval(((W/C)* 3)); }
.container-12 .prefix-4  { padding-left: eval(((W/C)* 4)); }
.container-12 .prefix-5  { padding-left: eval(((W/C)* 5)); }
.container-12 .prefix-6  { padding-left: eval(((W/C)* 6)); }
.container-12 .prefix-7  { padding-left: eval(((W/C)* 7)); }
.container-12 .prefix-8  { padding-left: eval(((W/C)* 8)); }
.container-12 .prefix-9  { padding-left: eval(((W/C)* 9)); }
.container-12 .prefix-10 { padding-left: eval(((W/C)*10)); }
.container-12 .prefix-11 { padding-left: eval(((W/C)*11)); }

/* `Suffix Extra Space >> 12 Columns ---------------------------------------*/

.container-12 .suffix-1  { padding-right: eval(((W/C)* 1)); }
.container-12 .suffix-2  { padding-right: eval(((W/C)* 2)); }
.container-12 .suffix-3  { padding-right: eval(((W/C)* 3)); }
.container-12 .suffix-4  { padding-right: eval(((W/C)* 4)); }
.container-12 .suffix-5  { padding-right: eval(((W/C)* 5)); }
.container-12 .suffix-6  { padding-right: eval(((W/C)* 6)); }
.container-12 .suffix-7  { padding-right: eval(((W/C)* 7)); }
.container-12 .suffix-8  { padding-right: eval(((W/C)* 8)); }
.container-12 .suffix-9  { padding-right: eval(((W/C)* 9)); }
.container-12 .suffix-10 { padding-right: eval(((W/C)*10)); }
.container-12 .suffix-11 { padding-right: eval(((W/C)*11)); }

/* `Push Space >> 16 Columns -----------------------------------------------*/

.container-12 .push-1  { left: eval(((W/C)* 1)); }
.container-12 .push-2  { left: eval(((W/C)* 2)); }
.container-12 .push-3  { left: eval(((W/C)* 3)); }
.container-12 .push-4  { left: eval(((W/C)* 4)); }
.container-12 .push-5  { left: eval(((W/C)* 5)); }
.container-12 .push-6  { left: eval(((W/C)* 6)); }
.container-12 .push-7  { left: eval(((W/C)* 7)); }
.container-12 .push-8  { left: eval(((W/C)* 8)); }
.container-12 .push-9  { left: eval(((W/C)* 9)); }
.container-12 .push-10 { left: eval(((W/C)*10)); }
.container-12 .push-11 { left: eval(((W/C)*11)); }

/* `Pull Space >> 12 Columns -----------------------------------------------*/

.container-12 .pull-1  { left: -eval(((W/C)* 1)); }
.container-12 .pull-2  { left: -eval(((W/C)* 2)); }
.container-12 .pull-3  { left: -eval(((W/C)* 3)); }
.container-12 .pull-4  { left: -eval(((W/C)* 4)); }
.container-12 .pull-5  { left: -eval(((W/C)* 5)); }
.container-12 .pull-6  { left: -eval(((W/C)* 6)); }
.container-12 .pull-7  { left: -eval(((W/C)* 7)); }
.container-12 .pull-8  { left: -eval(((W/C)* 8)); }
.container-12 .pull-9  { left: -eval(((W/C)* 9)); }
.container-12 .pull-10 { left: -eval(((W/C)*10)); }
.container-12 .pull-11 { left: -eval(((W/C)*11)); }

/* `Clear Floated Elements -------------------------------------------------*/

.clear   { clear: left; }
br.clear { line-height: 0; }