.title {color:orange; font-weight:bold; display:inline; padding:.1em;
        border-style:solid; border-width:.1em}
.cimke {color:red; padding-right:.8em; font-size:large}
.alcimke {color:brown; padding-right:.8em; font-size:large}

.tétel {color:red; border-style:solid; padding:1em; display:table}
.definíció {color:blue; border-style:solid; padding:1em; display:table}
.érdekesség {color:maroon}
.feladat {color:#00aa00}
.megoldás {color:#aa5500}
.gomb  {color:#aa5500; padding:.1em; margin:.2em; 
         border-width:.1em; border-style:solid}
.konvenció {color:orange; padding:.3em; border-style:solid; 
            display:table; margin-left:8em; margin-right:8em}

.főcím {color:navy; text-align: center; text-indent: 0pt}
.alcím {color:maroon; text-decoration:underline}

div {margin-top:.7em}
img {float:right; padding:.5em}

.logo {border:0; position:absolute; left:30%; top:3em}
.használati-utasítás {color:red; font-size:large;
                      position:absolute; top:.5em; right:2em}

.tartalom-1 {width:20em; height:1.5em; overflow:hidden; display:block}
.tartalom-2 {height:1.5em; overflow:hidden}
dfn {        border-bottom-style:solid; border-color:yellow}