html {
    height: 100%;
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
    padding: 0;
    text-align: center;
    font-family: Arial, sans-serif;
}
body {
    height: 100%;
    margin:0;
    padding: 0;
}


h1 {
    color: white;
    margin: 0;
    border: 0;
}
h3, h4 {
    margin: 0;
    border: 0;
}
h3 {
    font-size: 24px;
}

table {
    width: 80%;
    table-layout: fixed;
}

label {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-top: 10px;
}

td {
    border: 1px solid;
    user-select: none;
    height: 50px;
    vertical-align: top;
    overflow: hidden;
}

.unselected {
    background-color: white;
}
.free {
    background-color: rgb(0, 90, 0);
}
.maybe {
    background-color: rgb(189, 123, 0);
}
.busy {
    background-color: rgb(116, 0, 0);
}
.unused {
    background-color: gray;
}

.border {
    background-color: black;
}
img {
  max-width: 100%;
  height: auto;
  margin-top: 5%;
}
button {
    background-color: #0134a1; 
    border: none;
    color: white;
    margin-top: 10px;
    padding: 15px 32px;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    width: 100%;
  }
.red_button {
    background-color: rgb(116, 0, 0);
}
  caption {
    margin-top: 5px;
  }
  table {
    border-collapse: collapse;
    width: 100%;
    border-style: solid;
  }
  
  td,
  th {
    text-align: left;
    padding: 8px;
  }
  
  th {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  details {
    text-align: left;
  }
  label {
    display: block;
  }
  
  input[type="text"],
  input[type="date"] {
    text-align: center;
    width: 100%;
    padding: 12px 20px;
    font-size: 16px;
    /* margin: 8px 0; */
    box-sizing: border-box;
  }
  
  input[type="submit"] {
    background-color: #4CAF50;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
  }

  .slider {
    /* -webkit-appearance: none; */
    width: 100%;
    height: 25px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
  }
  
  .slider:hover {
    opacity: 1;
  }

  .slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    background: #04AA6D;
    cursor: pointer;
  }
  
  .slider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    background: #04AA6D;
    cursor: pointer;
  }

  a.room_code {
    color: #04AA6D;
  }
  .centered {
            position: absolute;
            /* top: 10%; */
            /* left: 10%; */
            /* transform: translate(-5%, -5%); */
            width: 90%;
            height: 100%;
            background-color: black;
            color: white;
            text-align: center;
            /* line-height: 100px; */
            /* font-size: 20px; */
            /* border-radius: 10px; */
            /* box-shadow: 5px 5px 15px #0134a1 */
        }
  @media (prefers-color-scheme: dark) {
  body {
    color: #eee;
    background: black;
  }
  label {
    color: #eee;
  }
  input {
    background-color: gray;
  }
  .unselected {
      background-color: black;
  }
  .unused {
      background-color: gray;
  }
}