.day-names-container {
  text-align: right;
  border-bottom: 1px solid #ddd;
}

.day-name {
  display: inline-block;
  margin: 2px;
  width: 30px;
  height: 25px;
  padding: 1px;
  border: 1px solid #fff;
  text-align: center;
  -webkit-box-sizing: unset !important;
  box-sizing: unset;
}