@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

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

body {
  width: 35%;
  margin: 30px auto;
  padding: 60px 100px;
  border: 2px solid black;
  border-radius: 15px;
}

h1 {
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 5px;
}

p {
  font-size: 0.87rem;
  margin-bottom: 10px;
}

.black-box {
  color: white;
  background-color: black;
  padding: 15px 20px;
  border-radius: 10px;
  position: relative;
  margin-bottom: 10px;
  user-select: none;
}

.drop-down {
  position: absolute;
  right: 15px;
  bottom: 12px;
  font-size: 1.4rem;
  transition: transform 0.3s;
  cursor: pointer;
}

.white-box {
  border: 2px solid black;
  padding: 15px 20px;
  border-radius: 10px;
  line-height: 1.4rem;
  margin-bottom: 10px;
}

.hidden {
  display: none;
}

.rotate {
  transform: rotate(90deg);
}