.p1{
    background-color: lightgray;
    text-align: center;
    padding: 3em;
    float: none;
    margin-left: 5px;
    margin-right: 5px;
}

.p2{
    background-color: #f1f1f1;
    padding: 2em;
    margin-top: 10px;
    margin-bottom: 10px;
    float: none;
    margin-left: 21em;
    margin-right: 7em;
    text-align: center;
}

.levo{
    background-color: lightgray;
    float: left;
    height: 40em;
    width:15%;
    text-align: center;
    margin-left: 5px;
}

.pravo{
    background-color: lightgray;
    float: right;
    height: 40em;
    width:83.5%;
    text-align: center;
    margin-right: 5px;
}

.paticka{
    background-color: lightgrey;
    padding: 10px;
    text-align: center;
    float: none;
    margin-top: 41.5em;
    margin-left: 5px;
    margin-right: 5px;
}