body {
  color: #0f3057;
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  //  background-image: url('images/bgHuff2.JPG');
  background-color: #161722;
}

h2 {
  margin-bottom: 1rem;
}

#heading {
  font-size: 2.5rem;
  margin-top: 7.5rem;
  margin-bottom: 0.5rem;
  color: cyan;
}

#heading1 {
  color: cyan;
}
#heading2 {
  color: cyan;
}

.card {
  top: 3%;
  width: 30rem;
  height: 27rem;
  text-align: center;
  margin: 0 auto;
  border: 4px double;
  padding: 5rem 0;
  background-color: #030524;
}

#uploadfile {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  width: 16rem;
}

#upload {
  color: cyan;
}

#encode,
#decode {
  margin-top: 1rem;
  margin-right: 0.2rem;
}

#step2,
#step3 {
  display: none;
}

#startagain {
  visibility: hidden;
  display: block;
  margin: 2rem auto 0;
}

.text2 {
  font-size: 1.5rem;
}

#doneImg {
  width: 10rem;
  margin: auto;
}

.container-fluid {
  position: relative;
  z-index: 2;
  /* Increase the z-index to make it appear above the background */
}

.background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  /* Decrease the z-index to make it appear below the main content */
}

///  Graph Css ////

#step4 {
  width: 60%;
  margin-left: auto;
  margin-right: auto;
  padding: 20px;
}

.background-container {
  position: fixed;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  z-index: -1;
}

.background-container canvas {
  position: absolute;
  top: 0;
  right: 0;
}

//// NEW////
.boxes {
  position: absolute;
  display: block;
  width: 40%;
  height: 100%;
  margin-left: 5%;
}

#binary_digit {
  visibility: hidden;
}
#encoded_digit {
  visibility: hidden;
}
#result {
  visibility: hidden;
}
#text_digit {
  visibility: hidden;
}
#paragraph_text {
  position: absolute;
  top: 10%;
  right: 15%;
  width: 30%;
  height: 20%;
  border: 2px solid black;
  font-size: xx-large;

  background-color: #030524;
}

#huffman {
  position: absolute;
  top: 28%;
  right: 5%;
  width: 50%;
  height: 40%;
  border: 1px solid black;
  overflow: auto;
  display: flex;
}

svg {
  position: absolute;
  width: auto;
  height: auto;
}