textarea, input, select, [contenteditable] {
  font-size: 1.5em;
}
input, textarea, iframe {
  width: 100%;
}
button {
  /* overwrite building blocks settings to display 2-lines button */
  line-height: normal !important;
  text-align: center;
}
canvas {
  display: none;
}
canvas.hidden {
  display: block;
}

/* keyboard */
.table {
  border-collapse: collapse;
}
.row {
  display: table-row;
  border-top: 1px dashed rgba(150,150,150,1);
}
.column_left,
.column_middle,
.column_right {
  display: table-cell;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}
.column_left {
  width: 20%;
  padding-right: 0.5rem;
}
.column_middle {
  width: 20%;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.column_right {
  padding-left: 0.5rem;
}

.box {
  width: 200px;
  height: 200px;
  border: 1px solid red;
  overflow: auto;
  background-color: #fcc;
  margin: 20px;
}
.sbox {
  width: 20px;
  height: 20px;
  background-color: #ccc;
  float: left;
}
.sbox:nth-child(2n) {
  background-color: #fff;
}
.bar {
  font-size: 1.5rem
}
.hidden {
  display: none;
}
#fullscreen-div {
  background-color: #ccf;
}
#contextMenu {
  background: #eee;
  border: 1px solid #ccc;
  padding: 10px;
}