trex.css

body {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  font-family: -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans",
    "Droid Sans", "Helvetica Neue", Arial, sans-serif;
}

*[collapsed=true] {
  visibility: hidden;
}
*[hidden=true] {
  display: none;
}


fastlist > table {
  height: 100%;
  width: 100%;
}
fastlist tbody {
  display: table-row-group;
}
fastlist header,
fastlist tbody > row {
  display: table-row;
}
fastlist header > * {
  display: table-cell;
  padding: 2px 8px;
}
fastlist tbody > row > * {
  display: table-cell;
  padding: 0px 5px; /* TODO vertical padding triggers a bug in the size calculation */
}
fastlist {
  position: relative;
}
fastlist > .scrollbar {
  overflow-y: scroll;
  overflow-x: hidden;
  height: 100%;
  position: absolute;
  top: 26px;
  right: 0px;
  width: 20px;
}
fastlist {
  border: 1px solid #8E8EA1;
}
fastlist header > * {
  border-top: 1px solid white;
  border-left: 1px solid white;
  border-right: 1px solid #8E8EA1;
  border-bottom: 1px solid #8E8EA1;
  background-color: #D2D2DC;
}
fastlist header > *:hover {
  background-color: #E5E5F7;
}
fastlist tbody > row > * {
  background-color: #EEF3F9;
}