.centerblock
{width:1170;margin:0 auto;}
.firstRowFullWidth{width:100%;}
.blackRow {background-color:black; color:white;}
.blueRow {background-color:blue;}
.greenRow {background-color:green;}
.greyRow {background-color:grey;color:white;}
.purpleRow {background-color:#BDA9C4;}
.orangeRow {background-color:orange;}
.whiteRow {background-color:white;}