* {
    margin: 0;
    padding: 0;
    border: none;
    font-family: Arial, sans-serif;
  }

  html {
    height: 100%;
  }
  
  body {
    font-size: 24px;
    background-image: linear-gradient(#056BAD, #F88B64);
    height: 100%;
    overflow: hidden;
  }
  footer {
    position: absolute;
    width: 100%;
  }
  .text{
    list-style-type: none;
    display:flex;
    flex-flow:row nowrap;
    justify-content: space-evenly;
  }
  .separation{
    position: absolute;
    z-index: 3;
    white-space:pre-wrap;
    text-align:center;
    background:rgba(33, 37, 41, 0.6);
    padding: 2px;
    border-radius: 5px;
    font-size: small;
    color:#FFFFFF;
  }
  .exit_spacing{
    position:absolute;
    z-index: 3;
    font-size: small;
    white-space:pre-wrap;
    padding: 2px;
    color:#FFFFFF;
  }
  .ac_data{
    position:absolute;
    z-index: 3;
    font-size: small;
    white-space:pre-wrap;
    padding: 2px;
    color:#FFFFFF;
  }
  .wind{
    z-index: 1;
    position: absolute;
    white-space:pre-wrap;
    text-align:center;
    font-size: small;
    color:rgba(33, 37, 41, 0.6);
  }
  li button {
    border-style:solid;
    border-width: 2px;
    border-color: #FFFFFF;
    background-color: #212529;
    color: #FFFFFF;
    border-radius: 14px;
    padding: 2px;
    display:flex;
  }
  .hint_msg {
    position:absolute;
    border-radius: 5px;
    text-align: center;
    padding: 5px;
    font-size: large;
  }
  main{
    z-index:0;
    height:100%;
    overflow-x: auto;
  }
  .sky_container{
    /* background-color: rgb(0, 129, 235); */
    position: relative;
    background-image:url("images/Airmass_Ref_Mark.svg");
    background-repeat: repeat;
    overflow:hidden;
  }

  #choppa_img{
    position: absolute;
    height: 3%;
    width: auto;
  }

  #cloud_img{
    z-index: 0;
    position: absolute;
    height: 15%;
    width: auto;
  }

  #mav_img{
    z-index: 2; /* In front of cloud */
    position: absolute;
    height: 5%;
    width: auto;
  }

  #goose_img{
    z-index: 2;
    position: absolute;
    height: 5%;
    width: auto;
  }

  #house_img{
    position: absolute;
    height: 15%;
    width: auto;
  }
  
  .grass{
    z-index:0;
    position:relative;
    background-image: linear-gradient(#007f59,#004b33);
  }

  .grass_ref_marks{
    z-index:0;
    width:100%;
    height:100%;
    position:absolute;
    background-image:url("images/Ground_Ref_Mark.svg");
    background-repeat: repeat;
  }

  .modal {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 1em;
    position: absolute;
    background-color: #212529;
    color: #FFFFFF;
    border: 1px solid #ddd;
    border-radius: 15px;
    z-index: 10;
    height:fit-content;
    width: fit-content;
    max-height: 90dvh;
  }

  .dialog_section{
    /* background-color: #1d2228; */
    border: 1px solid #ddd;
    border-radius: 10px;
}

  .scenario {
    gap: 1.0em;
    text-align: center;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  
  .modal .flex_column {
    display: flex;
    flex-direction: column;
     /* align-items: center; */
    row-gap: 0.75em;
    padding: 0.75rem;
    /* justify-content: space-between; */
  }
  
  .modal .flex_row {
    display: flex;
    flex-direction: row;
    align-items: center;
    /* align-content: space-between; */
    /* padding: 0.5rem; */
    column-gap: 0.25em;
  }
  .modal input {
    padding: 0.7rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 0.7em;
    color: #228BE6;
    font-weight: 700;
    background-color: #373c42;
    text-align: center;
    width: 2.5em;
  }
  .modal .field_text {
    font-size:0.5em;
    font-weight: 700;
    text-align: right;
    width: 8em;
  }
  .modal .unit_text {
    font-size:0.5em;
    font-weight: 700;
    width: 8em;
    text-align: left;
  }
  .modal .calc_output_text {
    font-size:1.5em;
    font-weight: 700;
    text-align: center;
    width: 2.0em;
  }
  
  .modal p {
    font-size: 0.9rem;
    color: #777;
    margin: 0.4rem 0 0.2rem;
  }
  
  button {
    cursor: pointer;
    border: none;
    font-weight: 600;
  }
  
  .btn {
    /* display: inline-block; */
    padding: 1.3em;
    font-weight: 700;
    background-color: #228BE6;
    color: white;
    border-radius: 5px;
    text-align: center;
    font-size: 0.5em;
    flex-grow: 1;
  }
  
  .btn-open {
    position: absolute;
    bottom: 150px;
  }
  
  .btn-close {
    background: #eee;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    position:absolute;
    top: 10px;
    right: 10px;
  }

  .inhibited {
    opacity: 0.3;
  }

 .menu {
    display: flex;
    flex-direction:column;
    gap: 1.0em;
    padding: 0.5em;
  }

  .discussion {
    min-width: 80vw;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    z-index: 9;
  }

  .hidden {
    display: none;
  }

  h4 {
    text-align: center;
  }

  h6 {
    text-align: center;
    width: 100%;
  }

  h7 {
    text-align: center;
    width: 100%;
    font-size: 0.5em;
    font-weight: bold;
    color:#228BE6;
  }

  p {
    text-indent: 1em;
  }

  i {
    text-align: center;
    font-size: 0.5em;
  }