body{
    font-family: 'Courier New', Courier, monospace;
    background-color: #efefef;
}

.h1{
    text-align: center;
}

.rozdeleni{
    background-color: lightgray;
    text-align: center;
    padding: 2%;
}

u:hover{
    color: #cc3333;
}

.obsah{
    background-color: lightgray;
    margin-top: 1.5%;
    padding: 3.5%;
    text-align: center;
}

.sloupec1{
    background-color: lightgray;
    margin-top: 1.5%;
    padding: 4%;
    text-align: center;
    width: 23%;
    float: left;
}

.sloupec2{
    background-color: lightgray;
    margin-top: 1.5%;
    padding: 4%;
    text-align: center;
    width: 23%;
    float: left;
    margin-left: 3.5%;
}

.sloupec3{
    background-color: lightgray;
    margin-top: 1.5%;
    padding: 4%;
    text-align: center;
    width: 23%;
    float: left;
    margin-left: 3.5%;
}

.paticka{
    clear: both;
    padding: 2.5%;
    background-color: lightgray;
    margin-top: 13%;
    text-align: center;
}