clear-box: all;
clear-box: bounds;
clear-box: position;
 

 
selection: none;
selection: text;
selection: auto;
 
antialias: true;
antialias: none;
 
bluring: 5px;
 
selection-background: #333;
selection-color: #ccc;
 
clr: #999;
 
+placeholder()
  color: #ccc;
  font-size: 16px;
 

lay: grid;
lay: line;
 
pin: center;
pin: left;
pin: right;
pin: full;
pin: mid;
 
grav: top;
grav: center;
grav: bottom;
grav: full;
grav: text;
 
side: pull;
side: center;
side: left;
side: right;
side: wide;
side: mid;
 
lane: single;
lane: grid;
lane: grid-reverse;
 
way: right;
way: left;
way: down;
way: up;
 
order: 1;
order: 4;
 
rate: 1;
rate: 3;
 
reduce: 1;
reduce: 2;
 
size: 20%;
size: auto;
 
press: top;
press: bottom;
press: middle;
press: pull;
press: text;