body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1;
  }
  /* message displayed at top when appts are saved */
  #appt-message {
    text-align: center;
  }
  /* input boxes */
  textarea{
    background: transparent;
    border: none;
    resize: none;
    color: #000000;
    border-left: 1px solid black;
    padding: 10px;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  /* 'Done' btns in leftmost column */
  .done-btn {
    padding: 4%;
    border-radius: 10px;
    margin-top: 10%;
  }
  /* header */
  .jumbotron {
    text-align: center;
    background-color: transparent;
    color: black;
    border-radius: 0;
    border-bottom: 10px solid black;
  }
  /* rows */
  .time-block{
    text-align: center;
    border-radius: 15px;
  }
  
  .row {
    white-space: pre-wrap;
    height: 80px;
    border-top: 1px solid white;
  }
  /* leftmost column */
  .hour {
    background-color: #ffffff;
    color: #000000;
    border-top: 1px dashed #000000;
    display: flex;
    flex-direction: column;
  }
  /* color coded middle column based on if time is past, present, or future */
  .past {
    background-color: #d3d3d3;
    color: white;
  }
  
  .present {
    background-color: #ff6961;
    color: white;
  }
  
  .future {
    background-color: #77dd77;
    color: white;
  }
  /* rightmost row containing save btns */
  .saveBtn {
    border-left: 1px solid black;
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
    background-color: #06AED5;
    color: white;
  }
  
  .saveBtn i:hover {
    font-size: 20px;
    transition: all .3s ease-in-out;
    color: black;
    cursor: pointer;
  }
  /* 'Clear' btn at bottom of page */
  #clear-btn {
    position: relative;
    left: 45%;
    margin-top: 2%;
    margin-bottom: 2%;
    padding: 1%;
    border-radius: 10px;
  }

  #clear-btn:hover,
  .done-btn:hover {
    background-color: grey;
  }