#header {
  /*display for the header*/
  display: flex;
  align-items: center;

  /*w-h, background ,padding, margin*/
  max-height: 67px;
  margin-bottom: 15px;
}

/* && add margin to children of header */
#header > * {
  margin-right: 12px;
}

#header__text {
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;

  font-size: 1.5rem;
}

#header__button {
  max-width: 177px;
  max-height: 25px;
  padding: 0 17px;

  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

#header__button span {
  max-width: 138px;
  white-space: nowrap;
  overflow: hidden;
  color: #1980b2;
  line-height: 1;
  text-align: center;
  font-size: 14px;
  font-weight: bold;
  text-overflow: ellipsis;
}