.period {
  font-family: "Arial", segoe;
  color: white;
  justify-content: center;
  align-items: center;
  margin-top: -1px;
  background: rgb(0, 92, 255);
  background: -moz-linear-gradient(
    0deg,
    rgba(0, 92, 255, 1) 0%,
    rgba(0, 207, 255, 1) 100%
  );
  background: -webkit-linear-gradient(
    0deg,
    rgba(0, 92, 255, 1) 0%,
    rgba(0, 207, 255, 1) 100%
  );
  background: linear-gradient(
    0deg,
    rgba(0, 92, 255, 1) 0%,
    rgba(0, 207, 255, 1) 100%
  );
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#005cff",endColorstr="#00cfff",GradientType=1);
  /* Thank you, cssgradient.io! */
  padding: 4px 8px;
  font-size: 0.8rem;
  border-radius: 10px;
  cursor: pointer;
}

.period.flare {
  background: rgb(255, 0, 0);
  background: -moz-linear-gradient(
    0deg,
    rgba(255, 0, 0, 1) 0%,
    rgba(255, 191, 0, 1) 100%
  );
  background: -webkit-linear-gradient(
    0deg,
    rgba(255, 0, 0, 1) 0%,
    rgba(255, 191, 0, 1) 100%
  );
  background: linear-gradient(
    0deg,
    rgba(255, 0, 0, 1) 0%,
    rgba(255, 191, 0, 1) 100%
  );
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#ff0000",endColorstr="#ffbf00",GradientType=1);
}