* {
    box-sizing: border-box;
}

body {
    margin: 15px;
    background: rgb(255, 255, 225);
    color: black;
}

#obsah {
    width: 70%;
    height: 410px;
    margin-left: 200px;
    padding-left: 20px;
    border-left: 3px solid rgb(2, 108, 2);
    text-align: center;
}

#menu {
    position: absolute;
    left: 25px;
    top: 30px;
    width: 140px;
}

#menu h4 {

    margin: 0;
    background: rgb(0, 41, 9);
    color: beige;
    padding: 5px;
}

#menu p+h4 {
    margin-top: 30px;
}

#basen p {
    margin: 30px;
    padding: 15px;
    border: 3px solid rgb(2, 108, 2);
    color: rgb(0, 55, 0);
}

#menu a {
    display: block;
    margin: 0;
    padding: 5px;
    background: #077607;
    color: beige;
    text-decoration: none;
}

#menu p {
    margin: 0
}

#menu a:hover {
    background: #539c53;
    color: rgb(12, 38, 22);
}

.greenline {
    height: 3px;
    width: 100%;
    background: rgb(3, 106, 3);
}

#footer {
    text-align: center;
}