* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

header {
  background-color:wheat;
  top: 0;
  width: 100%;
  height: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

header img {
  height: 90%;
}

header select {
  height: 60%;
}