#title {
  padding: 10px 0;
  border-bottom: 2px solid #ccc;
  margin-bottom: 10px;
}

.controls {
  display: flex;
  justify-content: space-between;
}

.main-controls {
  display: flex;
}

.control-btn-container {
  display: flex;
}

.control-btn {
  margin-left: 8px;
  width: 50px;
  height: 100%;
}

#filename-input {
  margin-left: 10px;
}

#content {
  padding: 20px;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.5);
  outline: none;
  min-height: 300px;
  margin: 30px 0;
}