body {
  background-color: #f4f6fa;
  color: #222;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body > .container {
  flex: 1;
}

.container-50 {
  width: 90%;
  max-width: 60vw;
  min-width: 300px;
  margin: 40px auto 0 auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  padding: 32px 24px;
  box-sizing: border-box;
}

@media (max-width: 900px) {
  .container-50 {
    max-width: 90vw;
    padding: 24px 8px;
  }
}

.navbar .container-fluid {
  padding-left: 20%;
  padding-right: 20%;
}

.footer-bar {
  width: 100%;
  background: #f4f6fa;
  padding: 10px 0;
  margin-top: auto;
  font-family: "Roboto Mono", monospace;
  color: #222;
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #e0e0e0;
  padding-left: 20%;
  padding-right: 20%;
}

.footer-bar .footer-left {
  text-align: left;
}

.footer-bar .footer-right {
  text-align: right;
}