.position-top-left
{
  position: fixed;
  left: 0;
  top: 0;
}

.position-top-right
{
  position: fixed;
  right: 0;
  top: 0;
}

.position-bottom-left
{
  position: fixed;
  left: 0;
  bottom: 0;
}

.position-bottom-right
{
  position: fixed;
  right: 0;
  bottom: 0;
}

.position-middle
{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
}

.position-left
{
  position: fixed;
  top: 50%;
  left: 0%;
  transform: translate(0%,-50%);
  -ms-transform: translate(-0%,-50%);
}

.position-right
{
  position: fixed;
  top: 50%;
  right: 0%;
  transform: translate(0%,-50%);
  -ms-transform: translate(0%,-50%);
}

.position-top-middle
{
  position: fixed;
  left: 50%;
  top: 0;
  transform: translate(-50%,0%);
  -ms-transform: translate(-50%,0%);
}

.position-bottom-middle
{
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translate(-50%,0%);
  -ms-transform: translate(-50%,0%);
}