body {
    margin: 0;
    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;
    background-color: #dce5ec;
  }
  
  .incanvas {
    margin: 10px 0 0 10px;
    padding: 0;
  }
  
  .circlebg {
    border-radius: 20%;
    padding: 0px 2px 0px 2px;
    font-size: 20px;
    color: #FFF;
    text-align: center;
    background: #2150a0;
  }
  
  #simscreen {
    position: relative;
    left: 0px;
    top: 0px;
    height: 600px;
    width: 800px;
    /* border: solid 1px; */
    background-color: #dce5ec;
  }
  
  #simscreen1 {
    position: relative;
    left: 0px;
    top: 0px;
    height: 600px;
    width: 800px;
    /* border: solid 1px; */
    background-color: #dce5ec;
  }
  
  
  #title {
    position: relative;
    left: 0px;
    top: -27px;
    height: 40px;
    font-size: 20px;
    text-align: center;
    background-color: rgb(20, 117, 228);
    font-family: verdana;
    color: White;
    text-transform: uppercase;
  }
  
  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: #dce5ec;
    overflow: hidden;
  }
  
  /* Style the links inside the navigation bar */
  
  .topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 13px 16px;
    text-decoration: none;
    font-size: 17px;
  }
  
  /* Change the color of links on hover */
  
  .topnav a:hover {
    background-color: #ddd;
    color: #dce5ec;
  }
  
  /* Add a color to the active/current link */
  
  .topnav a.active {
    background-color: #dce5ec;
    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;
  }


  /* style part */

  li {
    cursor: pointer;
}

#drafter1 {
    position: absolute;
    margin-left: -155px;
    margin-top: 80px
}

#drafterpng {
    position: relative;
    margin-left: 556px;
    top: 69px;
}


#drafterpng2 {
    position: relative;
    margin-left: 63px;
    margin-top: -554px;

}

#arrow {
    position: absolute;
    margin-left: 57px;
    top: 29px;
}

/* ----------------sheet move-------------- */

#boardplaced {
    position: absolute;
    margin-left: 24px;
    margin-top: 174px;

}

#sheetplaced {
    position: absolute;
    top: -50px;
    left: 430px;
}

#sheetanimation1 {
    visibility: hidden;
    position: absolute;
    border: none;
    animation: move 1s infinite; animation-play-state:paused; animation-fill-mode: forwards;
    animation-name: anuj;
}

#transboxsheet{
  position: absolute;
    top: -50px;
    left: 430px;
}

@keyframes anuj {

  0%{
    top: -50px;
    left: 430px;
  }
  
  100%{
    top: 187px;
    left: 37px;
  }
}






/* ----------------------------sheet move ends------------------------- */

#png2 {
    position: relative;
    margin-left: 37px;
    margin-top: 17px;
}

#png3 {
    position: relative;
    margin-left: -147px;
    top: -339px;
}

#png4 {
    position: relative;
    margin-left: 94px;
    top: -314px;
}

#png5 {
    position: relative;
    margin-left: 549px;
    top: -372px;
}

#png6 {
    position: relative;
    margin-left: 583px;
    top: -430px;
}

#png7 {
    position: relative;
    margin-left: 618px;
    top: -485px
}

#png8 {
    position: relative;
    margin-left: -678px;
    margin-top: -641px;
}

#png9 {
    position: relative;
    margin-left: 305px;
    margin-top: -641px;
}

#png10 {
    position: relative;
    margin-left: -346px;
    margin-top: -56px;
}

#png11 {
    position: relative;
    margin-left: 305px;
    margin-top: -56px;
}

#png12 {
    position: absolute;
    margin-left: -659px;
    top: -21px;
}

#png13 {
    position: relative;
    margin-left: 518px;
    top: -463px;
}


#png14 {
    position: relative;
    margin-left: -9px;
    margin-top: -554px;

}

#boardpng {
    position: absolute;
    margin-left: 138px;
    margin-top: 42px;

}

#sheetpng {
    position: absolute;
    margin-left: 35px;
    margin-top: 7px;

}

#titlepng {
    position: absolute;
    margin-left: 138px;
    margin-top: 42px;

}

#compasspng {
    position: absolute;
    margin-left: 65px;
    margin-top: 7px;

}

#pencilpng {
    position: absolute;
    margin-left: 38px;
    margin-top: 7px;

}

#setsquarepng {
    position: absolute;
    margin-left: 38px;
    margin-top: 7px;

}

#png16 {
    position: absolute;
    margin-left: 250px;
    top: 238px
}

#png17 {
    position: absolute;
    margin-left: 276px;
    top: 241px;
}

#png18 {
    position: absolute;
    margin-left: -6px;
    margin-top: 80px;

}

#png19 {
    position: absolute;
    margin-left: -6px;
    margin-top: 99px;

}

#png20 {
    position: absolute;
    margin-left: 212px;
    top: 139px;
}

#about {

    position: relative;
    left: 97px;
    top: 373px;
    height: 100px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#aboutboard {
    position: relative;
    left: 97px;
    top: 373px;
    height: 100px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#aboutsheet {
    position: relative;
    left: 97px;
    top: 373px;
    height: 100px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#aboutblock {
    position: relative;
    left: 97px;
    top: 373px;
    height: 100px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#aboutpencil {
    position: relative;
    left: 97px;
    top: 373px;
    height: 130px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#aboutdrafter {
    position: relative;
    left: 97px;
    top: 150px;
    height: 110px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

.about {
    position: relative;
    left: 97px;
    top: 373px;
    height: 140px;
    width: 600px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#aboutClip {
    position: absolute;
    left: 57px;
    top: 68px;
    height: 120px;
    padding-left: 10px;
    width: 400px;
    border: solid 1px;
    background-color: hsl(34, 30%, 89%);
}

#done {
    position: absolute;
    left: 327px;
    top: 78px;
    height: 45px;
    width: 400px;
    border: solid 3px;
    background-color: hsl(14deg 96% 49% / 66%);
    text-align: center;
}

.back {
    position: absolute;
    left: 12px;
    top: 503px;
    cursor: pointer;
    font-size: 15px;
    background-color: #2150a0;
    padding-top: 5px;
    color: #FFF;
    padding-bottom: 5px
}

#back1 {
    position: absolute;
    left: 12px;
    top: 460px;
    visibility: hidden;
    cursor: pointer;
    font-size: 15px;
    background-color: #2150a0;
    padding-top: 5px;
    color: #FFF;
    padding-bottom: 5px
}
.backk {
    position: absolute;
    left: 12px;
    top: 450px;
    cursor: pointer;
    font-size: 15px;
    background-color: #2150a0;
    padding-top: 5px;
    color: #FFF;
    padding-bottom: 5px
}

#clip1{
  position: absolute;
    height: 80px;
    left: 577px;
    top: -4px;
}

#clip2{
  position: absolute;
    height: 80px;
    left: 610px;
    top: 24px;
}

#clip3 {
  position: absolute;
  height: 80px;
  top: 57px;
  left: 645px;
}

#clip4 {
  position: absolute;
  height: 80px;
  top: 88px;
  left: 678px;
}

#boardclip1{
  height: 40px;
  position: absolute;
  animation: one 1s 1;
  animation-play-state: paused ;
  animation-fill-mode: forwards;
}

#boardclip2{
  height: 40px;
  position: absolute;
  animation: two 1s 1;
  animation-play-state:paused ;
  animation-fill-mode: forwards;
  
}

#boardclip3{
  height: 40px;
  position: absolute;
  animation: three 1s 1;
  animation-play-state:paused ;
  animation-fill-mode: forwards;
}

#boardclip4{
  height: 40px;
  position: absolute;
  
  animation: four 1s 1;
  animation-play-state:paused ;
  animation-fill-mode: forwards;
}

#drafter-out {
  height: 180px;
  position: absolute;
  top: 220px;
  left: 550px;
}

#drafter-in {
  height: 150px;
  position: absolute;
  animation: five 1s 1;
  animation-play-state:paused ;
  animation-fill-mode: forwards
}

#arrowleft{
  position: absolute;
  top: -25px;
}

#arrowleft1{
  position: absolute;
  top: 18px;
  left: 350px;
}

#sheetext{
  position: absolute;
  left: 60px;
  top: -43px;
}

#cliptext{
  position: absolute;
  left: 60px;
  top: -43px;
}



/*-------------------------- animation part --------------------------------*/

@keyframes move {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(-375px, 235px);
    }
}


@keyframes moveDrafter {

    0% {
        top: 0px;
    }

    100% {
        top: -510px;
    }
}

@keyframes moveDrafter1 {

    0% {
        top: 0px;
    }

    100% {
        top: 40px;
    }
}

@keyframes one {
  0%{
    top: 110px;
    left: 50px;
  }
  100%{
    top: 160px;
    left: 50px;
  }
  
}

@keyframes two {
  0%{
    top: 110px;
    left: 353px;
  }
  100%{
    top: 160px;
    left: 353px;
  }
}

@keyframes three {
  0%{
    top: 440px;
    left: 50px;
  }
  100%{
    top: 390px;
    left: 50px;
  }
}

@keyframes four {
  0%{
    top: 440px;
    left: 353px;
  }
  100%{
    top: 390px;
    left: 353px;
  }
}

@keyframes five {
  0%{
    top: 110px;
    left: 10px;
  }
  100%{
    top: 170px;
    left: 10px;
  }
}