.columns {
  display: flex;
  flex-direction: row;
  margin-right: 20px;
}

label,
.row {
  box-sizing: border-box;
  display: block;
  padding: 2px;
}

.row label {
  display: inline;
  padding: 0;
}

button {
  display: inline-block;
  margin: 5px;
  font-weight: bold;
}

.page-wrapper {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.grid-wrapper {
  flex: 1 1 0px;
}