@media (max-width: 480px) {
  #w-home {
    padding-top: 0;
  }
  #w-home .line-icon-bulb {
    display: none;
  }
  h1 {
    font-size: 40px;
  }
  h2 {
    font-size: 24px;
  }
  h3 {
    font-size: 20px;
  }
  h4 {
    font-size: 14px;
  }
  hr {
    margin: 60px 0;
    border: 0;
    border-top: 1px dashed #74818E;
  }
  #w-about-us .about-us-content {
    padding: 100px 0;
  }
  .step {
    -webkit-transition: opacity 1s;
    -moz-transition: opacity 1s;
    -o-transition: opacity 1s;
    transition: opacity 1s;
  }
  .step h1 {
    font-size: 24px;
  }
  .step h3 {
    text-transform: uppercase;
    font-size: 20px;
    line-height: 1.5;
  }
  .step .service-icon {
    margin-top: 50px;
    text-align: left;
  }
  .step .service-icon .icon {
    font-size: 100px;
  }
}