html, body {
  height: 100%;
}

.container {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  /*background-image: url("images/ipad-632394_1920.jpg");*/
  background-size: cover;
  background-repeat: no-repeat;
}

.container-box {
  display: inline-block;
  padding: 120px;
  background: rgba(0, 0, 0, .5);
  border: 1px solid #333;
}

#blog-title {
  text-align: center;
}

.card-title {
  color: #0038ff;
}

.navbar-default .navbar-toggle .icon-bar {
  background-color: #0038ff;
}

.fa.fa-navicon {
  color: #0038ff;
}

img {
  border-radius: 20px;
}

#article-title {
  text-align: center;
  max-width: 800px;
}