funcunit/site/theme/static/styles/helper.less

<!-- @hide title

/**
* @stylesheet helper.less Helpers
* @parent Styles.baseline-elements 2
*
* @description
* Helper classes are layout-based classes that can be added to elements. Helper classes included here are `clear`, `center`, `pull-right`, and `pull-left`.
*
* @demo demos/helpers.html
**/
.clear {
	clear: both;
}
.center {
	margin-right: auto;
	margin-left: auto;
	text-align: center;
}
.pull-right, .pullright, .float-right, .floatright {
	float: right;
}
.pull-left, .pullleft, .float-left, .float-right {
	float: left;
}

.border-box{
	.box-sizing;
}

// Toggle font smoothing mode in Webkit & FF
.text-smoothing() {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.text-smoothing(reset) {
  -webkit-font-smoothing: subpixel-antialiased;
  -moz-osx-font-smoothing: auto;
}