.s {font-size: smaller; font-weight: bold; text-align: center}
.q {font-weight: bolder; background-image: url(../img/gratka_blue.gif}
.w {font-weight: bolder; background-image: url(../img/gratka_sea.gif}
.e {font-weight: bolder; background-image: url(../img/gratka_pink.gif}