/* header */
.header {
  position: absolute;
  z-index: 100;
  top: 0;
  left: 0;
  width: 300px;
  height: 160px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  border-radius: 0 0 30px 0;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 767px) {
  .header {
    width: 100%;
    height: auto;
    box-shadow: none;
    background-color: transparent;
    border-radius: 0;
    padding-top: 4.5%;
  }
}

.header > .logo {
  width: 80%;
}
@media screen and (max-width: 767px) {
  .header > .logo {
    width: 40%;
  }
}