h1{
    font-family: Arial, Verdana, sans-serif;
}


h1 {color: #ff0000;}

h3 {color: olivedrab;}

#gioca { background-color: rgba(255,255,0,0.3); }

#regole { background-color: rgba(0,0,255,0.3); }

body{ background-color: rgba(240, 250, 240,0.8); }

div {width: 450px;
    margin: 20px auto 0 auto;
    border: 2px solid #e7642c;
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 20px;
    padding-bottom: 20px;}