#txtBox_1 .fs-20 { font-size:20px; }
#txtBox_1 .fs-30 { font-size:30px; }
#txtBox_1 .fs-24 { font-size:24px; }
#txtBox_1 .fs-40 { font-size:40px; }
#txtBox_1 .fs-48 { font-size:48px; }
#txtBox_1 .fs-18 { font-size:18px; }