html, body {
    font-family: Roboto;
    font-size: 14px;
    padding: 0;
    margin: 0;
}

#myTree {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 300px;
    border-right: solid 1px gray;
}

.noselect {
    -webkit-touch-callout: none; /* iOS Safari */
      -webkit-user-select: none; /* Safari */
       -khtml-user-select: none; /* Konqueror HTML */
         -moz-user-select: none; /* Firefox */
          -ms-user-select: none; /* Internet Explorer/Edge */
              user-select: none; /* Non-prefixed version, currently
                                    supported by Chrome and Opera */
  }

  #work {
    position: fixed;
    left: 300px;
    top: 0;
    bottom: 0;
    width: 300px;
    border-right: solid 1px gray;
  }