.postdate {
  box-sizing: border-box;
  position: relative;
  width: 55px;
  height: 53px;
  float: right;
  margin: 0 0 0 8px;
}


.month, .day, .year {
  margin: 0;
  padding: 0;
  line-height: 0.8;
}

.month {
  position: absolute;
  top:0;
  left:0;
  font-size: 21px;
  padding-bottom: 5px;
}

.day {
  position: absolute;
  top: 21px;
  font-size: 33px;
}

.year {
  position: absolute;
  top: -18px;
  right: 0;
  padding-top: 2px;
  font-size: 20px;
  -moz-transform-origin: 100% 100%;
  -ms-transform-origin: 100% 100%;
  -o-transform-origin: 100% 100%;
  -webkit-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
  -moz-transform: rotate(-90deg);
  -ms-transform: rotate(-90deg);
  -o-transform: rotate(-90deg);
  -webkit-transform: rotate(-90deg);
  transform: rotate(-90deg);
}