body {
  width: 1080px;
  height: 740px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

h3 {
  text-align: center;
  font-weight: bold;
  font-family: "Times New Roman", Times, serif;
}

#reset_btn {
  margin: auto;
  display: block;
  cursor: default;
}

#manual_button,
#data_button {
  position: absolute;
  left: 30px;
  cursor: pointer;
}

.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0, 0, 0); /* Fallback color */
  background-color: rgba(0, 0, 0, 0.4); /* Black w/ opacity */
  -webkit-animation-name: fadeIn; /* Fade in the background */
  -webkit-animation-duration: 0.4s;
  animation-name: fadeIn;
  animation-duration: 0.4s;
}

/* Modal Content */
.modal-content {
  position: fixed;
  bottom: 0;
  background-color: #fefefe;
  width: 100%;
  -webkit-animation-name: slideIn;
  -webkit-animation-duration: 0.4s;
  animation-name: slideIn;
  animation-duration: 0.4s;
}

/* The Close Button */
.close {
  color: white;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: white;
  text-decoration: none;
  cursor: pointer;
}

.modal-header {
  padding: 2px 16px;
  background-color: black;
  color: white;
}

.modal-body {
  padding: 2px 16px;
}

/* Add Animation */
@-webkit-keyframes slideIn {
  from {
    bottom: -300px;
    opacity: 0;
  }
  to {
    bottom: 0;
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    bottom: -300px;
    opacity: 0;
  }
  to {
    bottom: 0;
    opacity: 1;
  }
}

@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

#scale {
  position: absolute;
  left: 250px;
  top: 10px;
}

#slider {
  position: absolute;
  top: 20px;
  left: 32px;
  width: 182px;
}
#apparatus {
  float: right;
}

#solution {
  position: absolute;
  z-index: 1;
  left: 8%;
  top: 5%;
}

#flask {
  position: absolute;
  z-index: 1;
  width: 8%;
  left: 13%;
  top: 30%;
  /* -webkit-filter: saturate(290%);  Chrome, Safari, Opera 
    filter: saturate(290%);*/
}

#pipette {
  position: absolute;
  z-index: 1;
  width: 3%;
  left: 37%;
  top: 22%;
}

#beaker {
  position: absolute;
  z-index: 1;
  width: 11%;
  left: 55%;
  top: 27%;
}

#cuvette {
  position: absolute;
  z-index: 2;
  width: 2.5%;
  left: 80%;
  top: 55%;
}

#table_with_spec {
  margin: auto;
  display: block;
}

#computerimage {
  position: absolute;
  left: 48%;
  top: 10%;
  max-width: 50%;
  max-height: 50%;
}

#comp_trans_button {
  position: absolute;
  z-index: 1;
  width: 12%;
  height: 26%;
  left: 49%;
  top: 12%;
}

#spectrolid_trans_button {
  position: absolute;
  z-index: 1;
  width: 5%;
  height: 18%;
  left: 35%;
  top: 20%;
}

#reference {
  position: absolute;
  width: 15%;
  left: 54%;
  top: -9%;
  visibility: hidden;
}

#ref_cuvette {
  position: absolute;
  z-index: 1;
  width: 1.4%;
  left: 52.35%;
  top: -5%;
}

#power_trans_button {
  position: absolute;
  z-index: 1;
  left: 18.4%;
  top: 45%;
  width: 1.4%;
  height: 6%;
  cursor: pointer;
}

#demo {
  position: absolute;
  top: 65%;
  left: 22%;
  max-width: 60%;
  color: yellow;
  text-align: left;
}

#clockScreen {
  position: absolute;
  top: 56px;
  left: 0px;
  visibility: hidden;
  z-index: 3;
}

#clockHand {
  position: absolute;
  top: 294.6px;
  left: 50.75%;
  visibility: hidden;
  z-index: 5;
}

#scan {
  position: absolute;
  z-index: 6;
  top: 65px;
  left: 15px;
  visibility: hidden;
}

.scanimage {
  position: absolute;
  z-index: 8;
  top: 16%;
  left: 11%;
  width: 80%;
  visibility: hidden;
}

#scan_btn {
  position: absolute;
  z-index: 10;
  top: 441px;
  left: 262px;
  width: 9%;
  height: 4%;
}

.video {
  position: absolute;
  z-index: 12;
  top: 16%;
  left: 11%;
  width: 80%;
  visibility: hidden;
  display: none;
}

#disposegraph {
  position: absolute;
  z-index: 14;
  width: 7%;
  left: 81%;
  top: 605px;
  height: 3%;
}