*{
    cursor: pointer;
}

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;
}

.middle-container {
    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:  rgb(20, 117, 228);
}

#simscreen {
    position: relative;
    left: 0px;
    top: 0px;
    height: 600px;
    width: 800px;
    background-color: #dce5ec;
}

#simscreen1 {
    position: relative;
    left: 0px;
    top: 0px;
    height: 600px;
    width: 800px;
    background-color: #dce5ec;
}

#title {
    position: relative;
    left: 0px;
    top: -27px;
    height: 40px;
    font-size: 26px;
    text-align: center;
    background-color: rgb(20, 117, 228);
    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: #dce5ec;
    overflow: hidden;
}

.topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #ddd;
    color: black;
}

.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;
}

#numoutnext {
  position: absolute;
  top: 420px;              /* Adjust to appear above calculator */
  left: 50px;              /* Align horizontally */
  z-index: 1000;           /* Ensure it appears above other elements */
  background-color: #ffecec; /* Soft red background */
  border: 1px solid #ff5c5c; /* Clear red border */
  color: #b30000;          /* Deep red text */
  font-weight: bold;
  padding: 10px 15px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  display: none;           /* Hidden by default */
  max-width: 300px;
  text-align: center;
}