@media only screen and (max-width: 700px) {
  .main-head h1 {
    font-size: 25px;
  }

  .main-head-img img {
    width: 88%;
  }
  .nav-links ul li {
    display: block;
    
  }
  .nav-links {
    position: absolute;
    background: #fffffff3;
    box-shadow: #947c7c45 3px 0px 14px -1px;
    height: 100vh;
    width: 200px;
    top: 0;
    right: -200px;
    text-align: left;
    z-index: 2;
    transition: 1s;
  }
  .nav-links ul {
    padding: 26px 12px;
  }
  nav .fa {
    display: block;
    color: #513f3f;
    margin: 10px;
    cursor: pointer;
  }

  nav > .fa, nav > div > .fa {
  display: block;
}

  nav img {
    width: 80px;
  }

  nav .fa-bars{
    color: #878787;
    font-size: 20px;
  } 

  .main-head h1 {
    font-size: 2.2em;
  }

  
  .about-para > h2 {
    font-size: 25px;
    text-align: center;
  }

  .commented-container {
    width: 80%;
    margin: 30px 0px 0px 20px;
    padding: 5px;
  }
  .course-box {
    
    width: 260px;

    margin: 60px 8px 8px 8px;
  }

  .course-box img {
    width: 260px;
  }

  .footer-container > div {
    max-width: 100%;
  }

}