demo.css

body {
  background-color: #E6E7FA !important;
  padding: 0;
  margin: 0;
  font: normal 16px 'Helvetica Neue', 'Arial';
}
.card {
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.16);
  background-color: #fff;
  max-width: 600px;
  margin: 0 auto 40px auto;
}
.card h1 {
  margin: 0 0 20px 0;
}
.card p {
  font-size: 16px;
  line-height: 24px;
}
.card .buttons {
  margin: 30px 0 10px 0;
  padding: 30px 0 0 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
.btn.rounded {
  border-radius: 5px;
  background-color: transparent;
  box-shadow: 0 0 0 1px #fff;
  font-weight: bold;
  color: #fff;
  padding: 10px 20px;
  transition: all .2s;
}
.btn.rounded:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}
.container-fluid.dark {
  background-color: #4758FF !important;
}
.support {
  background-color: #47FFB9;
  padding: 30px;
}

.container-fluid .buttons.dark .btn {
  color: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
}
.container-fluid .buttons .btn {
  margin: 0 0 0 20px;
}
.container-fluid .buttons h3 {
  margin: 8px 0;
  color: rgba(0, 0, 0, 0.5);
}
.list {
  width: 600px;
  margin: 20px auto;
}
.list li {
  margin: 20px 0 0 0;
  padding: 0 0 20px 0;
  list-style: none;
}

.language-bar {
  border-radius: 12px;
  background-color: rgba(0, 0, 0, 0.06);
  margin: 40px auto 20px auto;
  padding: 0;
  list-style: none;
  display: inline-block;
  text-align: right;
}
.language-bar li {
  display: inline-block;
  padding: 0;
  margin: 0;
  flex: 1;
  list-style: none;
}
.language-bar li a {
  display: inline-block;
  color: rgb(98, 192, 158);
  width: 100%;
  text-align: center;
  padding: 12px 24px;
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 2px;
  text-transform: uppercase;
}