/* CSS Document */
div#obal {
    width: 1020px;
    margin: auto;
}

main {
    border: red solid 2px;
    display: grid;
    grid-template-columns: 1fr 3fr 1fr
}

nav {
    padding: 10px;
    text-align: center;
}

section {
    border-left: solid 1px green;
    border-right: solid 1px green;
    padding: 10px;
    text-align: justify;
}

aside {
    padding: 10px;
    text-align: center;
}

header {
    border: solid 2px red;
    border-bottom: none;
    padding: 10px;
    height: 100%;
    text-align: center;
}

footer {
    border: solid 2px red;
    border-top: none;
    padding: 10px;
    height: 50px;
    text-align: center;
}

li.menu {
    list-style-type: none;
    margin-left: -20%;
}

nav li {
    background-color: teal;
    padding: 10px;
    margin: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 3px rgba(0,0,0,0.24);
}

nav li:hover {
    background-color: goldenrod;

}

nav a {
    text-decoration: none;
    color: white;
}

table{
    border-collapse: collapse;
}

th{
    border: black solid 2px;
    padding: 5px;
}

td {
    border: black solid 2px;
    padding: 5px;
    text-align: center;
}