a:link    {color: blue}
a:visited {color: purple}
a:hover   {color: red}

div.platno {
width: 760px;
background-color: #F5F5F5;
padding: 10px;
border-right: solid #808080 4px;
border-bottom: solid #808080 4px;
border-left: solid #F5F5F5 4px;
border-top: solid #F5F5F5 4px;
}

H1 {
text-align: center;

}

H2 {
text-align: center;

}

.vlevo {
text-align: left;
}

H3 {
text-align: left;

}


Body {
background: white;
margin: 30px;
margin-left: 20%;
margin-right: 20%;
font-family: Times New Roman,Arial,sans-serif;
}

.zahlavi {
text-align: center;

}

.hlavni {


}

.zapati {
text-align: center;

}