.corner-ribbon{
  width: 300px;
  background: #51b6d9;
  position: absolute;
  top: 50px;
  left: -75px;
  text-align: center;
  line-height: 50px;
  letter-spacing: 1px;
  color: #f0f0f0;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}

/* Custom styles */

.corner-ribbon.sticky{
  position: fixed;
}

.corner-ribbon.shadow{
  box-shadow: 0 0 3px rgba(0,0,0,.3);
}

/* Different positions */

.corner-ribbon.top-left{
  top: 50px;
  left: -75px;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}

.corner-ribbon.top-right{
  top: 50px;
  right: -75px;
  left: auto;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}

.corner-ribbon.bottom-left{
  top: auto;
  bottom: 50px;
  left: -75px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}

.corner-ribbon.bottom-right{
  top: auto;
  right: -75px;
  bottom: 50px;
  left: auto;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}