html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

#weightChartArea {
  width: 100vw;
  height: 100vh; /* or use 100dvh for better mobile support */
  display: flex;
  align-items: center;
  justify-content: center;
}

canvas {
  width: 100% !important;
  height: 100% !important;
}
    .container {
      display: flex;
    }

    .column {
      box-sizing: border-box;
/*      width: 200px;*/
      position: relative;
    }

    .hide-button {
 
      background-color: #ddd;
      border: none;
      cursor: pointer;
    }

    /* Add some basic styling for better visibility */
    .column {
      border: 1px solid #ddd;
    }
    ul {
      padding-inline-start:0px;
    }

    li {
      list-style: none;
      white-space: nowrap;
      padding:2px;
      display: flex;
    }

    a.labels {
      text-align: right;
      flex:1;
      float: right;
/*      border: 1px solid black;*/
      width: 200px;
      padding-right: 1em;
    }    
    a.left {
      text-align: right;
      flex:1;
      float: left;
/*      border: 1px solid black;*/
      width: 80px;
      padding-right: 1em;
    }
    a.unit {
      text-align: right;
      flex:0.33;
      float: left;
/*      border: 1px solid black;*/
      width: 15px;
    }