.clearfix:before, .clearfix:after {
    content: " ";
    display: table;
}
.clearfix:after {
    clear: both;
	clear:left;
}


.input-group:before, .input-group:after{
   	content: " ";
   	display: table;
}
.input-group:after {
	clear: both;
}


.clear{
	clear:both;
}
.clear-left{
	clear:left;
}
.clear-right{
	clear:right;
}
.no_margin {
	margin: 0;
}
.uppercase {
	text-transform: uppercase;
}
._hidden{
	display:none;
}
.left{
	float:left;
}
.right{
	float:right;
}