.calendar{
  display:flex;
  flex-direction:column;
  position:relative;
  align-items:center;
  margin-inline-end:8px;
  background:#fff;
  width:24px;
  height:28px;
  box-shadow:0 0 10px rgba(0, 0, 0, 0.1254901961);
  border-radius:4px;
  overflow:hidden;
}
.calendar::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:9px;
  background:#d93737;
}
.calendar .date{
  position:absolute;
  font-size:12px;
  bottom:3px;
  color:#333;
}
.calendar .month{
  position:absolute;
  font-size:8px;
  top:-1px;
  color:#fff;
}