.header {
  margin: 10px 0 15px 0;
}
.header:after {
  content: '';
  display: block;
  clear: both;
}
.header .header__icon {
  float: left;
  background: #3486db;
  width: 50px;
  height: 50px;
  line-height: 44px;
  border-radius: 4px;
  color: #fff;
  margin-right: 10px;
  text-align: center;
  font-size: 1.8rem;
  box-shadow: 0 3px 15px 1px rgba(52, 134, 219, 0.6);
}
.header .header__title {
  float: left;
  margin: 10px 0 0 6px;
  font-weight: 600;
  min-width: 50%;
  font-size: 1.3rem;
}
.header .header__btn {
  float: right;
  margin-top: 10px;
}
.header .header__btn > * {
  display: inline-block;
  vertical-align: middle;
  line-height: 26px;
}
.header .header__btn .btn__text {
  line-height: 26px;
}
@media (min-width: 320px) and (max-width: 767px) {
  .header .header__icon {
    width: 40px;
    height: 40px;
    line-height: 34px;
    font-size: 1.4rem;
  }
  .header .header__title {
    margin: 6px 0 0 6px;
    width: 80%;
    width: calc(100% - 60px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .header .header__btn {
    margin-top: 5px;
  }
}