@media only screen and (max-width: 425px) {
 

  body {
    overflow-x: none;
  }

  header nav {
    display: flex;
    justify-content: space-between;
  }

  .firstsec {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: left;
    min-height: 500px;
  }

  .leftsec {
    font-size: 24px;
    margin: auto;
    width: 100%;
  }

  .rightsec {
    width: 100%;
    margin: 30px;
    padding: 0px;
  }

  .rightsec img {
    width: 60%;
    border-radius: 10px;
    box-shadow: 12px 9px 13px 1px #212529;
    margin: auto;
    float: left;
  }

  .bt {
    width: 100%;
    min-height: 100px;
    padding: 9px;
  }
  .b a{
    padding: 7px;
    margin: 6px;
  }

  .b {
    display: flex;
    width: 100%;
    justify-content: space-around;
    align-items: center;
    min-height: 60px;
  }

  .btn {
    padding: 2px;
    background-color:radial-gradient(#6c757d, #000);
    color: white;
    border: 1px solid white;
    border-radius: 5px;
    font-size: 15px;
    text-decoration: none;
  }

  .btn:hover {
    background-color: white;
  color:black;
  border: 3px solid radial-gradient(#6c757d, #000);
  }

  main hr {
    margin: 30px 20px;
  }

  .thsec .box .pro span {
    font-size: 20px;
    width: 40%;
  }

  .progress {
    height: 25px;
    width: 60%;
    margin: 11px 10px 0px 35px;
  }

  .exb {
    display: flex;
    justify-content: center;
    flex-direction: column;
  }

  .cd {
    width: 100%;
    min-height: 230px;
  }

  .fosec .fov {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: column;
  }

  .foursec .box p {
    font-size: 20px;
    max-height: 500px;
    overflow: scroll;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .foursec .box p::-webkit-scrollbar {
    display: none;
  }

  .lc {
    margin: auto;
    width: 100%;
  }

  .rc {
    margin: 50px;
    width: 100%;
  }

  .fooot {
    width: 90%;
    margin: 20px;
  }

  footer .foot1 {
    display: none;
    width: 0px;
  }
  .foot2 {
    width: 50%;
  }
  .foot3 {
    width: 50%;
  }

  .navbar-links {
    display: none;
  }

  .right {
    display: block;
    float: right;
    margin-top: 17px;
  }

  .navbar-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    right: 0;
    width: 40%;
    background-color: #333;
    padding: 0px 0px;
    background-color: #27374d;
  }

  .navbar-links.active a {
    padding: 10px 0;
    border-bottom: 1px solid #fff;
    width: 100%;
    text-align: center;
  }

  .txt {
    font-size: 10px;
  }

  .fosec {
    min-height: 750px;
  }
}