Collection of LESS mixins
.border-radius(20px); //less.js 1.4.0-beta + OR lessPHP
.border-radius(20px, 20px, 20px, 20px);
.opacity(0.5);
.box-sizing(border-box);
.transition(width, 0.2s, linear, 0s); //property, duration, timing-function, delay
.transform(value);
.user-select(value);
.triangle(top-left, #007bff, 50px, 40px); //direction, color, height, width
.texture(diagSmall);