body {
    background-color:cornflowerblue;
}



.jeden {
    border-style:double;
    margin:5px;
    float: left;
    width: 30.33%;
    padding: 15px;
}



button {
    float: left;
    width: 100px;
    display: inline-block;
    padding: 15px 25px;
    font-size: 24px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    color: #fff;
    background-color: #4CAF50;
    border: none;
    border-radius: 15px;
    box-shadow: 0 9px #999;
}

h2 {
    
    margin-left: 5%;
    height: 10px;
    font-family:'Book Antiqua';
}

p {
    text-align: right;
    font-style: italic;
    margin-right: 10px;
}

span {
    font-size: small
}

h1 {
    font-family: Calibri;
    font-size: 30PX;
    letter-spacing: 6px
}

a {
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }
@media screen and (max-width:600px) {
    .column {
        width: 100%;
    }
}
.row:after {
    content: "";
    display: table;
    clear: both;