@media screen and (min-width: 0px) and (max-width: 425px) {
  main{
    overflow-x: hidden;
    background-color: hsl(240, 100%, 5%);
    color: white;
  }

  .hlt-ctn{
    width: 100%;
    height: 150px;
    background-color: rgb(0, 0, 110);
    display: flex;
    align-items: center;
    padding: 0 30px;
  }
  
  .content-ctn{
    padding: 50px 30px;
  }

  .content-ctn h2, .content-ctn h3{
    margin-bottom: 30px;
    color: rgb(224, 224, 255);
  }

  .content-ctn h2{
    color: rgb(243, 243, 255);
  }

  .content-ctn ul, .content-ctn li{
    margin-left: 20px;
    margin-bottom: 30px;
    list-style: disc;
  }

  .content-ctn a{
    text-decoration: none;
    color: rgb(227, 227, 255);
  }

  .content-ctn a:hover{
    text-decoration: underline;
  }
}