f1 {font-style: normal; font-size: medium; font-weight: normal;}
f2 {font-style: bold; font-size: 45; font-weight: normal;}
f3 {font-style: bold; font-size: 30; font-weight: normal;}
f4 {font-style: normal; font-size: large; font-weight: normal;}
p {text-indent: 1cm;}
ind {text-indent: 1cm;}