* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Sarabun", sans-serif;
}

header {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url("https://images.pexels.com/photos/858115/pexels-photo-858115.jpeg?auto=compress&cs=tinysrgb&h=750&w=1260");
  background-size: cover;
  color: white;
}

.about {
  height: 300vh;
  display: flex;
}

.about-title {
  width: 50%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 30px;
  margin: 0 !important;
}

.about-pages {
  width: 50%;
}

.about-pages div {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  color: white;
}

.about-pages div > p {
  width: 80%;
  font-size: 18px;
  line-height: 30px;
}

.about-pages div:nth-child(1) {
  background-color: rgb(56, 134, 89);
}
.about-pages div:nth-child(2) {
  background-color: rgb(129, 42, 110);
}
.about-pages div:nth-child(3) {
  background-color: rgb(31, 88, 107);
}

footer {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: bisque;
}