html {
    height: 100%;
  }
  
  body {
    position: relative;
    font-family: sans-serif;
    color: #2c3e50;
    margin: 0;
    width: 100%;
    height: 100%;
    cursor: default;
    -webkit-user-select: none;
    -moz-user-select: none;
  }
  
  .tuner-div{
    background-image: linear-gradient(to right,#2c7873,#004445 100%)!important;
    position: relative;
    height: 350px;
  }
  
  .notes {
    margin: auto;
    width: 400px;
    position: relative;
    top: 20%;
    left: 0;
    right: 0;
    text-align: center;
  }
  
  .note {
    font-size: 90px;
    font-weight: bold;
    position: relative;
    display: inline-block;
    padding-right: 30px;
    padding-left: 10px;
  }
  
  .note.active {
    color: #e74c3c;
  }
  
  .notes-list {
    overflow: auto;
    overflow: -moz-scrollbars-none;
    white-space: nowrap;
    -ms-overflow-style: none;
    -webkit-mask-image: -webkit-linear-gradient(
      left,
      rgba(255, 255, 255, 0),
      #fff,
      rgba(255, 255, 255, 0)
    );
  }

  .highnote{
    height: 350px;
    background-image: linear-gradient(to right,#be7a65,#A43820 100%)!important;
  }
  
  .notes-list::-webkit-scrollbar {
    display: none;
  }
  
  .note {
    -webkit-tap-highlight-color: transparent;
  }
  
  .note span {
    position: absolute;
    right: 0.25em;
    font-size: 40%;
    font-weight: normal;
  }
  
  .note-sharp {
    top: 0.3em;
  }
  
  .note-octave {
    bottom: 0.3em;
  }
  
  .frequency {
    font-size: 32px;
  }
  
  .frequency span {
    font-size: 50%;
    margin-left: 0.25em;
  }
  
  .meter {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 50%;
    width: 0px; /*400px*/
    height: 0%; /*33%*/
    margin: 0 auto 5vh auto;
  }
  
  .meter-pointer {
    width: 2px;
    height: 100%;
    background: #2c3e50;
    transform: rotate(45deg);
    transform-origin: bottom;
    transition: transform 0.5s;
    position: absolute;
    right: 50%;
  }
  
  .meter-dot {
    width: 10px;
    height: 10px;
    background: #2c3e50;
    border-radius: 50%;
    position: absolute;
    bottom: -5px;
    right: 50%;
    margin-right: -4px;
  }
  
  .meter-scale {
    width: 1px;
    height: 100%;
    transform-origin: bottom;
    transition: transform 0.2s;
    box-sizing: border-box;
    border-top: 10px solid;
    position: absolute;
    right: 50%;
  }
  
  .meter-scale-strong {
    width: 2px;
    border-top-width: 20px;
  }
  
  .frequency-bars {
    position: absolute;
    bottom: 0;
    width: 100%;
  }
  
  @media (max-width: 768px) {
    .meter {
      width: 100%;
    }
  
    .notes {
      width: 100%;
    }
  }
  
  .swal-button {
    background: #2c3e50;
  }
  
  .a4 {
    width: 100px;
    position: relative;
    top: 100px;
    left: 500px;
  }
  
  .a4 span {
    color: #e74c3c;
  }

  p{
    font-weight: 400;
   }

  .rangeCard {

    width: 50%!important;
    margin-top: -7%!important;
    margin-bottom: -7%!important;
    z-index: 1000!important;
    margin-left: 25%!important;
    border-radius: 80rem!important;
    min-height: 150px!important;
  
    align-items: center!important;
  
  display: flex!important;
  
  justify-content: center!important;
  
  flex-direction: column!important;
  
    background-image: linear-gradient(to right, #434343 0%, black 100%)!important;
  
  }

  @media only screen and (max-width: 440px) and (min-width: 100px){
    body > div:nth-child(4) > div:nth-child(2){
      height: 370px;
      background-image: linear-gradient(to right,rgb(205, 145, 96),rgb(215, 112, 34) 100%)!important;
    }
    body > div:nth-child(4) > div.tuner-div.shadow.rounded{
      margin-top: 20px;
    }
    .tuner-div{
     
      background-image: linear-gradient(to right,#2c7873,#004445 100%)!important;
      position: relative;      
      height: 370px;
    }
    body > div:nth-child(4) > div.tuner-div.shadow.rounded > div.card.text-center.mt-0.rangeCard{

      width: 90%!important;
      margin-top: 20px;
      margin-bottom: -7%!important;
      z-index: 1000!important;
      margin-left: 5%!important;
      border-radius: 3rem!important;
      min-height: 100px!important;    
      align-items: center!important;    
      display: flex!important;      
      justify-content: center!important;    
      flex-direction: column!important;       
      background-image: linear-gradient(to right, #434343 0%, black 100%)!important;
    
    }
    body > div:nth-child(4) > div.shadow.rounded.pt-5.highnote > h2{
      font-size: 25px;
    }
    body > div:nth-child(4) > div.tuner-div.shadow.rounded > h2{
      font-size: 25px;
    }

  }
  
  .modal-content {
    border-radius: 20px;
  }

#highest_button {  
    font-size: 0;
    background-color: rgb(138, 139, 138);;
    border: 0;
    border-radius: 35px;
    margin-top:10px;
    outline: none;
  }
  #low_button {  
    font-size: 0;
    background-color: #20B2AA;
    border: 0;
    border-radius: 35px;
    margin-top: 5px;
    outline: none;
  }
  
  .notRec{
    background-color: darkred;
  }
  
  .Rec{
    animation-name: pulse;
    animation-duration: 1.5s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
  }
  
  @keyframes pulse{
    0%{
      box-shadow: 0px 0px 5px 0px rgba(255, 255, 255, 0.3);
    }
    65%{
      box-shadow: 0px 0px 5px 13px rgba(231, 217, 217, 0.3);
    }
    90%{
      box-shadow: 0px 0px 5px 13px rgba(156, 149, 149, 0);
    }
  }