@media screen and (max-width: 1000px) {
  #about > div > div {
    float: none;
    width: 100%;
  }
  #abt {
    padding: 120px 40px 0px;
  }
  #features > div {
    border-radius: 2em;
    width: 100%;
    float: none;
    margin-left: 0%;
    margin-right: 0%;
  }
  #aside {
    padding: 30px;
  }
  .one {
    margin-top: 0px;
  }
  .two {
    margin-top: 70px;
  }
  .three {
    margin-top: 70px;
  }
  #fullvideo {
    text-align: center;
  }
  #collage {
    display: none;
  }
  #training > div {
    float: none;
    padding-bottom: 0px;
  }
  #train {
    width: 100%;
    text-align: center;
    padding: 100px 50px 30px;
  }
  #main, #main2 {
    text-align: center;
  }
  #main > div > div, #main2 > div > div {
    width: 500px;
    background: white;
    margin: 5% auto;
  }
}

@media screen and (max-width: 800px) {
  .nav-links {
    position: absolute;
    right: 0px;
    height: 70vh;
    top: 70px;
    width: 250px;
    display: none;
    flex-direction: column;
    transition: transform 0.5s ease-in;
    background-color: #fbfeff;
    z-index: 20;
  }
  .nav-links a {
    color: #191820;
  }
  .nav-links a:hover {
    width: 0px;
    background: none;
    z-index: 50;
    transition: none;
    color: #800020;
    font-size: 14px;
  }
  .burger {
    display: block;
    cursor: pointer;
  }
  .nav-active {
    display: flex;
  }
  .newclass {
    background-color: #800020;
  }
}

@media screen and (max-width: 600px) {
  #grid-container {
    grid-template-rows: 400px auto auto auto auto auto 50px;
  }
  #abt {
    padding: 50px 40px 0px;
  }
  #vii {
    width: 500px;
    height: 400px;
  }
  .item-title {
    font-size: 1.6rem;
  }
  .companyname {
    font-size: 25px;
  }
}

@media screen and (max-width: 500px) {
  #grid-container {
    grid-template-rows: 350px auto auto auto auto auto 50px;
  }
  #abt h1 {
    font-size: 22px;
  }
  .item-title {
    font-size: 1.4rem;
  }
  .head {
    font-size: 20px;
  }
  #serve {
    padding-top: 40px;
    font-size: 20px;
    text-align: center;
  }
  #vii {
    width: 90%;
    height: 300px;
  }
  #main > div > div, #main2 > div > div {
    width: 90%;
    margin: 10% auto;
  }
  #box {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    margin-top: 20px;
  }
  #box > div {
    margin: 10px;
  }
  #aside {
    padding: 20px;
  }
  #help {
    font-size: 20px;
    padding: 60px 0px 0px 7%;
    line-height: 1.2;
  }
}