@media (max-width: 500px) {
  #navbar .container {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  #navbar .logo {
    margin-bottom: 15px;
    text-align: center;
    font-size: 24px;
  }

  #navbar ul {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 0;
    margin: 0;
  }

  #navbar ul li {
    width: 100%;
  }

  #navbar ul li a {
    display: block;
    padding: 12px 0;
    text-align: center;
    border-bottom: 1px dotted #444;
  }
}

  #showcase {
    height: auto;
    padding: 60px 20px;
  }
  #showcase .showcase-content {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  #showcase h1 {
    font-size: 32px;
    line-height: 1.3em;
  }

  #info {
    height: auto;
    padding: 30px 20px;
  }
  #info .info-img {
    display: none;
  }
  #info .info-content {
    float: none;
    width: 100%;
    text-align: center;
  }

  #features .box {
    float: none;
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
  }

  #about-info .info-left,
  #about-info .info-right {
    float: none;
    width: 100%;
    text-align: center;
  }
  #about-info .info-right {
    margin-top: 20px;
  }

  #about-info .info-left h1,
  #contact-form h1,
  #contact-form p {
    text-align: center;
  }

  #contact-info .box {
    float: none;
    width: 100%;
    text-align: center;
    border-bottom: #444 dotted 1px;
    margin-bottom: 15px;
  }

  #testimonials .testimonial {
    flex-direction: column;
    text-align: center;
  }
  #testimonials .testimonial img {
    margin: 0 auto 10px auto;
  }