body {

}

.column {
    float: left;
    width: 50%;
}

/* Clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}


ul.nav {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 300px;
    background-color: #f1f1f1;
}

li a {
    display: block;
    color: #000;
    padding: 8px 16px;
    text-decoration: none;
    margin-top: -15px;
}

/* Change the link color on hover */
li a:hover {
    background-color: #555;
    color: white;
}

.active {
    background-color: #4CAF50;
    color: white;
}

p.menu_main {
    font-weight:700;
    font-size:larger;
}

p.menu_sub {
    font-size:smaller;
}