*{

    font-family: Arial, Helvetica, sans-serif;
  }
  
  .subject {
    margin: auto auto auto 25px;
  }
  
  .label-div {
    padding-left: 25px;
    margin-bottom: 10px;
  }
  
  .top-container {
    background-color: #f1f1f1;
    padding: 5px 5px 5px 5px;
  
  }
  
  .header {
    padding: 0;
    padding: 10px 16px;
    display: flex;
  
  }
  
  .experiment-heading {
    margin: 25px;
  }
  
  .Mainstep {
    position: absolute;
  
    left: 10px;
    top: 40px;
    height: 558px;
    width: 788px;
    /*left:10px;
  
      top:50px;
  
      height:530px;
  
      width:785px;*/
    /*background-color: red;*/
    background-color:  #deebf7;
  }
  
  .Mainstep1 {
    position: absolute;
  
    left: 10px;
    top: 40px;
    height: 558px;
    width: 788px;
    /*left:10px;
  
      top:50px;z
  
      height:530px;
  
      width:785px;*/
    /*background-color: red;*/
    background-color: #deebf7;
  }
  
 
  .circlebg {
  
    border-radius: 20%;
    padding: 0px 2px 0px 2px;
    font-size: 20px;
  
    color: #FFF;
  
    text-align: center;
  
    background:  rgb(20, 117, 228);
  
  }
  
  #simscreen {
  
    position: relative;
  
    left: 0px;
  
    top: 0px;
  
    height: 600px;
  
    width: 800px;
  
    background-color:  #deebf7;
  }
  
  #simscreen1 {
  
    position: relative;
  
    left: 0px;
  
    top: 0px;
  
    height: 600px;
  
    width: 800px;
  
    background-color:  #deebf7;
  }
  
  
  #title {
  
    position: relative;
  
    left: 0px;
  
    top: -23px;
  
    height: 40px;
  
    font-size: 24px;
  
    text-align: center;
  
    background-color: #008cff;
  
    font-family: Arial, Helvetica, sans-serif;
  
    color: White;
  
  }
  
  button {
    margin-left: 25px;
    height: 30px;
    width: 80px;
  
  }
  
  .header-img {
    margin: 0 0 0 auto;
    height: 90px;
  
  }
  
  .header-img2 {
    height: 90px;
    margin: 0;
  
  }
  
  .content {
    padding: 16px;
  }
  
  .sticky {
    position: fixed;
    top: 0;
    width: 100%;
  }
  
  .sticky+.content {
    padding-top: 102px;
  }
  
  h1 {
    margin-top: 30px;
    display: inline-block;
    text-align: center;
  
    margin: auto;
  }
  
  .topnav {
    background-color: #333;
    overflow: hidden;
  }
  
  /* Style the links inside the navigation bar */
  .topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }
  
  /* Change the color of links on hover */
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  /* Add a color to the active/current link */
  .topnav a.active {
    background-color: black;
    color: white;
  }
  
  .experiment {
    margin: 15px;
  }
  
  #downloadButton {
    text-decoration: none;
  }
  
  #downloadButton:hover {
    background-color: bisque;
  }
  
  .column {
    float: left;
    width: 33.33%;
    padding: 5px;
  }
  
  
  .row::after {
    content: "";
    clear: both;
    display: table;
    margin-left: 50px;
  }
  
  a {
    text-decoration: none;
    display: inline-block;
    padding: 8px 16px;
  }
  
  a:hover {
    background-color: #ddd;
    color: black;
  }
  
  .previous {
    background-color: #f1f1f1;
    color: black;
  }
  
  .next {
    background-color: #04AA6D;
    color: white;
  }
  
  .round {
    border-radius: 50%;
  }
  
  .button {
  
    margin-right: 25px;
    height: 36px;
    width: 70px;
  }
  
  .next {
    position: relative;
    left: 76%;
    bottom: -165%;
  }
  
  .play {
    position: relative;
    left: 26%;
    bottom: -95%;
    background-color: #dc260eed;
    color: #f1f1f1;
  }
  
  .img-with-text {
    text-align: justify;
    width: [width of img];
  }
  
  .img-with-text img {
    display: block;
    margin: 0 auto;
  }

  /* ================================
   RESPONSIVE SCALING — STEP 2 FINAL
   ================================ */

.sim-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  overflow: hidden;
}

/* MOBILE */
@media (max-width: 575px) {
  .simulation-container {
    zoom: 40%;
    width: 800px;
    height: 600px;
  }
}

/* SMALL DEVICES */
@media (min-width: 576px) and (max-width: 767px) {
  .simulation-container {
    zoom: 65%;
    width: 800px;
    height: 600px;
  }
}

/* TABLETS */
@media (min-width: 768px) and (max-width: 991px) {
  .simulation-container {
    zoom: 80%;
    width: 800px;
    height: 600px;
  }
}

/* SMALL DESKTOP */
@media (min-width: 992px) and (max-width: 1199px) {
  .simulation-container {
    zoom: 90%;
    width: 800px;
    height: 600px;
  }
}

/* LANDSCAPE FIX */
@media (max-width: 767px) and (orientation: landscape) {
  .simulation-container {
    zoom: 55%;
  }
}

/* SAFETY */
body {
  overflow-x: hidden;
}