body {
}
.rimsky{list-style-type:upper-roman;font-style:italic}
.obrazek{width:400px;height:300px;border-style:double;border-width:5px;border-color:gold}
.div_1{margin-left:auto;margin-right:auto;width:850px;text-align:center}
.div_2 {margin-left: auto;margin-right: auto;width:600px;text-align:center}
.div_3{text-align:center;background-color:lightblue}
span{font-size:24px}
.tridaVysledek{text-align:center;background-color:lightblue}
.div_4 {
    text-align: center;
    background-color: lightgreen;
    margin-left: auto;
    margin-right: auto;
    width: 900px;
}
.bunka_1{width:300px}
.bunka_2{width:600px}
.div_5{border-style:solid;border-width:2px;border-color:blue}