body {
  text-align: center;
  direction: rtl;
}

#container {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 20px auto;
  border: 2px solid #000;
  background-color: #f0f0f0;
}

#car {
  position: absolute;
  width: 60px;
  top: 170px;
  left: 170px;
  /* transition: all 0.3s ease; */
}

.controls {
  margin-top: 20px;
}

.arrow {
  width: 0;
  height: 0;
  border-style: solid;
  display: inline-block;
  margin: 10px;
  cursor: pointer;
}

.up {
  border-width: 0 20px 30px 20px;
  border-color: transparent transparent black transparent;
}

.down {
  border-width: 30px 20px 0 20px;
  border-color: black transparent transparent transparent;
}

.left {
  border-width: 20px 30px 20px 0;
  border-color: transparent black transparent transparent;
}

.right {
  border-width: 20px 0 20px 30px;
  border-color: transparent transparent transparent black;
}