.container {
    width: 95%;
    margin: auto;
    overflow: hidden;
}

@media screen and (max-width: 600px) {
    .nav a:not(:first-child) {
        display: none;
    }

    .nav a.icon {
        float: right;
        display: block;
    }
}


@media screen and (max-width: 600px) {
    .nav.responsive {
        position: relative;
    }

    .nav.responsive a.icon {
        position: absolute;
        right: 0;
        top: 0;
    }

    .nav.responsive a {
        float: none;
        display: block;
        text-align: left;
    }
}

body {
    font-family: 'Roboto', sans-serif;
    padding: 0;
    margin: 0;
    background: #333;
    color: white
}

a {
    color: white;
}

.iframe {
    display: block;
}

.subtitle {
    font-size: 40px;
    text-align: center;
}

.footer {
    padding: 20px;
    margin-top: 20px;
    color: white;
    background-color: #1f8e42;
    text-align: center;
}

.title {
    font-size: 40px;
    text-align: center;
}

#title {
    border: solid white 5px;
}

#navigation {
    padding-top: 0px;
    padding-left: 0px;
    padding-right: 0px;
    padding-bottom: 15px;
    margin: -1px;
}

ul.navbar {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: black;
}

li.list-blog {
    text-decoration: none;
    display: block;
}

li.logo {
    font-weight: bold;
    color: white;
}

li.nav {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

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

li a:hover {
    background-color: gray;
}

.active {
    background-color: #1f8e42;
    color: white;
}

.nav .icon {
    display: none;
}


.btn {
    border: none;
    font-size: 14px;
    color: white;
    padding: 14px 30px;
    text-decoration: none;
}

.default {
    background-color: #348d43;
    color: white;
}

.default:hover {
    background: #ddd;
}


.jumbotron {
    padding: 2rem 1rem;
    margin-bottom: 2rem;
    background-color: #1f8e42;
}

@media (min-width: 576px) {
    .jumbotron {
        padding: 4rem 2rem;
    }
}

.jumbotron-fluid {
    padding-right: 0;
    padding-left: 0;
    border-radius: 0;
}

.jumbotron a {
    text-decoration: none;
}

.card {
    background: white;
    color: black;
    padding: 20px;
    width: 300px;
    margin: 10px;
}

.container-blog {
    width: 95%;
    margin: auto;
    overflow: hidden;
}

.container-blog a {
    text-decoration: none;
}


.row-cards {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.row-column:after {
    content: "";
    display: table;
    clear: both;
}

.column {
    float: left;
    width: 33.33%;
}