* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
section.one {
  width: 100%;
  height: 300px;
  background-color: antiquewhite;
  display: flex;
  justify-content: space-between;
  margin-bottom: 100px;
}

section.two {
  width: 100%;
  height: 300px;
  background-color: antiquewhite;
  display: flex;
  justify-content: center;
  align-items: end;
}

.div {
  width: 100px;
  height: 100px;
}

.red {
  text-align: center;
  background-color: red;
}

.blue {
  background-color: blue;
}
.green {
  background-color: rgba(26, 255, 0);
}
.yellow {
  background-color: rgb(255, 221, 0);
}