.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;
  }

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

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


.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%;
}