.header {
  width: 100%;
  height: 150px;
  background: url('https://example.com/your-header-image.jpg') center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding-top: 40px;
  text-align: center;
}

.logo {
  position: absolute;
  display: block;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: auto;
}

.main-content {
  padding: 0;
  margin: 0;
}

#settings-btn {
  position: absolute;
  top: 10px;
  right: 18px;
  z-index: 2;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 10px;
  margin-top: 10px;
}