.f-center
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;

	-webkit-box-pack: center;
	-webkit-justify-content: center;
  	-ms-flex-pack: center;
  	justify-content: center;

	-webkit-box-align: center;
	-webkit-align-items: center;
	-ms-flex-align: center;
	align-items: center;
}

.f-center-h
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;

	-webkit-box-pack: center;
	-webkit-justify-content: center;
	-ms-flex-pack: center;
	justify-content: center;
}

.f-center-v
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;

	-webkit-box-align: center;
	-webkit-align-items: center;
	-ms-flex-align: center;
	align-items: center;
}

.f-space-between
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;

	-webkit-box-pack: justify;
	-webkit-justify-content: space-between;
	-ms-flex-pack: justify;
	justify-content: space-between;

	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
}

.f-space-around
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-justify-content: space-around;
	    -ms-flex-pack: distribute;
	        justify-content: space-around;
	-webkit-flex-wrap: wrap;
	    -ms-flex-wrap: wrap;
	        flex-wrap: wrap;
}

.f-stretch-v
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;

	-webkit-box-align: stretch;
	-webkit-align-items: stretch;
	-ms-flex-align: stretch;
	align-items: stretch;
}

.f-column
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-orient: vertical;
	-webkit-box-direction: normal;
	-webkit-flex-direction: column;
	    -ms-flex-direction: column;
	        flex-direction: column;
}

.f-row
{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	
	-webkit-flex-wrap: wrap;
	    -ms-flex-wrap: wrap;
	        flex-wrap: wrap
}