@import url('https://fonts.googleapis.com/css?family=Montserrat:600&display=swap');
<style>
    *{
      margin: 0;
      padding: 0;
    }

    html {
      height: 100%;
      background-color: #ffffff;
      background-image: linear-gradient(120deg, #ff4081, #81d4fa);
    }

    #grad1 {
      background-color: #ffffff;
      background-image: linear-gradient(120deg, #ff4081, #81d4fa);
    }

    #msform {
      text-align: center;
      position: relative;
      margin-top: 20px;
    }

    span{
      position: relative;
      display: inline-flex;
      width: 180px;
      height: 55px;
      margin: 0 15px;
      margin-left: -110px;
      perspective: 1000px;
    }
    span a{
      font-size: 19px;
      letter-spacing: 1px;
      transform-style: preserve-3d;
      transform: translateZ(-25px);
      transition: transform .25s;
      font-family: 'Montserrat', sans-serif;
      
    }
    span a:before,
    span a:after{
      position: absolute;
      content: "SELECT";
      height: 55px;
      width: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 5px solid skyblue;
      box-sizing: border-box;
      border-radius: 5px;
    }
    span a:before{
      color: #fff;
      background: skyblue;
      transform: rotateY(0deg) translateZ(25px);
    }
    span a:after{
      color: skyblue;
      transform: rotateX(90deg) translateZ(25px);
    }
    span a:hover{
      transform: translateZ(-25px) rotateX(-90deg);
    }

    #msform fieldset .form-card {
      background: white;
      border: 0 none;
      border-radius: 0px;
      box-shadow: 0 2px 2px 2px rgba(0, 0, 0, 0.2);
      padding: 20px 40px 30px 40px;
      box-sizing: border-box;
      width: 94%;
      margin: 0 3% 20px 3%;
      position: relative;
    }

    #msform fieldset {
      background: white;
      border: 0 none;
      border-radius: 0.5rem;
      box-sizing: border-box;
      width: 100%;
      margin: 0;
      padding-bottom: 20px;
      position: relative;
    }

    #msform fieldset:not(:first-of-type) {
      display: none;
    }

    #msform fieldset .form-card {
      text-align: left;
      color: #9e9e9e;
    }

    #msform .s
    {
      background-color: #4CAF50;
      border: none;
      color: white;
      padding: 10px 5px;
      text-decoration: none;
      margin: 10px 5px;
      cursor: pointer;
      width: 100px;
    }

    #msform .s:hover,
    #msform .s:focus {
      box-shadow: 0 0 0 2px white, 0 0 0 3px #4CAF50;
    }

    #msform input,
    #msform textarea {
      padding: 0px 8px 4px 8px;
      border: none;
      border-bottom: 1px solid #ccc;
      border-radius: 0px;
      margin-bottom: 25px;
      margin-top: 2px;
      width: 100%;
      box-sizing: border-box;
      font-family: montserrat;
      color: #2c3e50;
      font-size: 16px;
      letter-spacing: 1px;
    }

    #msform input:focus,
    #msform textarea:focus {
      -moz-box-shadow: none !important;
      -webkit-box-shadow: none !important;
      box-shadow: none !important;
      border: none;
      font-weight: bold;
      border-bottom: 2px solid skyblue;
      outline-width: 0;
    }

    #msform .action-button {
      width: 100px;
      background: skyblue;
      font-weight: bold;
      color: white;
      border: 0 none;
      border-radius: 0px;
      cursor: pointer;
      padding: 10px 5px;
      margin: 10px 5px;
    }

    #msform .action-button:hover,
    #msform .action-button:focus {
      box-shadow: 0 0 0 2px white, 0 0 0 3px skyblue;
    }

    #msform .action-button-previous {
      width: 100px;
      background: #616161;
      font-weight: bold;
      color: white;
      border: 0 none;
      border-radius: 0px;
      cursor: pointer;
      padding: 10px 5px;
      margin: 10px 5px;
    }

    #msform .action-button-previous:hover,
    #msform .action-button-previous:focus {
      box-shadow: 0 0 0 2px white, 0 0 0 3px #616161;
    }

    select.list-dt {
      border: none;
      outline: 0;
      border-bottom: 1px solid #ccc;
      padding: 2px 5px 3px 5px;
      margin: 2px;
    }

    select.list-dt:focus {
      border-bottom: 2px solid skyblue;
    }

    .card {
      z-index: 0;
      border: none;
      border-radius: 0.5rem;
      position: relative;
    }

    .fs-title {
      font-size: 25px;
      color: #2c3e50;
      margin-bottom: 10px;
      font-weight: bold;
      text-align: left;
    }

    #progressbar {
      margin-bottom: 30px;
      overflow: hidden;
      color: lightgrey;
    }

    #progressbar .active {
      color: #000000;
    }

    #progressbar li {
      list-style-type: none;
      font-size: 12px;
      width: 7%;
      float: left;
      position: relative;
    }

    #progressbar #account:before {
      font-family: FontAwesome;
      content: "\f129";
    }

    #progressbar #personal:before {
      font-family: FontAwesome;
      content: "\f07a";
    }

    #progressbar #payment:before {
      font-family: FontAwesome;
      content: "\f07a";
    }

    #progressbar #confirm:before {
      font-family: FontAwesome;
      content: "\f07a";
    }

    #progressbar li:before {
      width: 50px;
      height: 50px;
      line-height: 45px;
      display: block;
      font-size: 18px;
      color: #ffffff;
      background: lightgray;
      border-radius: 50%;
      margin: 0 auto 10px auto;
      padding: 2px;
    }

    #progressbar li:after {
      content: "";
      width: 100%;
      height: 2px;
      background: lightgray;
      position: absolute;
      left: 0;
      top: 25px;
      z-index: -1;
    }

    #progressbar li.active:before,
    #progressbar li.active:after {
      background: skyblue;
    }

    .radio-group {
      position: relative;
      margin-bottom: 25px;
    }

    .radio {
      display: inline-block;
      width: 204;
      height: 104;
      border-radius: 0;
      background: lightblue;
      box-shadow: 0 2px 2px 2px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
      cursor: pointer;
      margin: 8px 2px;
    }

    .radio:hover {
      box-shadow: 2px 2px 2px 2px rgba(0, 0, 0, 0.3);
    }

    .radio.selected {
      box-shadow: 1px 1px 2px 2px rgba(0, 0, 0, 0.1);
    }

    .fit-image {
      width: 100%;
      object-fit: cover;
    }
    .corrugation_checkbox {
      white-space: nowrap;
      margin-right: 30rem;
    }

    .MobileContent {

      display: none;
    text-align:center;
 
  }
  .header
  {
    position: fixed;
  }

  #hidden_div {
    display: none;
}
#hidden_div_corru {
  display: none;
}
#hidden_div_back {
  display: none;
}
#hidden_div_lamination {
  display: none;
}
#hidden_div_drip {
  display: none;
}
#hidden_div_leaf {
  display: none;
}
#hidden_div_embossing {
  display: none;
}
#hidden_div_die {
  display: none;
}
#hidden_div_window {
  display: none;
}
#hidden_div_work_job {
  display: none;
}
#hidden_div_work_sheet {
  display: none;
}
#hidden_div_work_perbox {
  display: none;
}
#hidden_div_pasting {
  display: none;
}
#hidden_div_pinning {
  display: none;
}
#hidden_div_packing {
  display: none;
}
}
 

  </style>