body {
    padding-top: 30px;
    background-color: black;
    color: white;
    font-family: Arial;
    font-size: 1.4em;
    line-height: 1.4em;
    text-align: justify;
}

h1,
h2 {
    color: yellow;
    font-size: 1.6em;
    line-height: 1.8em;
}

h3 {
    color: yellow;
}

a {
    color: yellow;
}

.container {
    margin-left: 120px;
    margin-right: 120px;
}

.menu a {
    color: yellow;
    padding-left: 15px;
    padding-right: 15px;
}

.menu {

    text-align: center;
}

footer {
    text-align: center;
}

table {
    border-collapse: collapse;
    width: 100%;
}

td,
th {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

tr:nth-child(even) {
    background-color: #6d6d6d;
}

tr:hover {
    background-color: #494949;
}

th {
    padding-top: 12px;
    padding-bottom: 12px;

    background-color: #4CAF50;
    color: white;
}

.one-third {
    float: left;
    width: 33.3333%;
}
.one-third p {
    text-align: left;
}

@media (max-width:768px) {
    .container {
        margin-left: 20px;
        margin-right: 20px
    }

    .one-third {
        width: 100%
    }
}