.container {width: 960px;padding: 0;margin: 0 auto;}

.onefifth,.twofifths,.threefifths,.fourfifths,.onethird, .twothirds, .onequarter, .half, .threequarters, .fullwidth{display:inline;float: left;position: relative;margin-left: 10px;margin-right: 10px;}

/* 5 Columns
----------------------------------------------------------------------------------------------------*/
.onefifth {width:172px;}
.twofifths {width:364px;}
.threefifths {width:556px;}
.fourfifths {width:748px;}

/* 4 Columns
----------------------------------------------------------------------------------------------------*/
.onequarter {width:220px;}
.onehalf {width:460px;}
.threequarters {width:700px;}
.fullwidth {width:940px;}

/* 3 Columns
----------------------------------------------------------------------------------------------------*/
.onethird {width:300px;}
.twothirds {width:620px;}

/* Children (First ~ Last)
----------------------------------------------------------------------------------------------------*/
.first {margin-left: 0;}
.last {margin-right: 0;}