style.css

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  user-select: none;
}
.container {
  width: 100vw;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}
.para {
  background-color: rgb(30, 30, 30);
  font-size: 1.7rem;
  color: white;
  font-weight: bold;
  padding: 10px;
  border-radius: 4px;
  display: flex;
}
.btn {
  color: black;
  background: transparent;
  border: 2px solid blue;
  font-size: 0.8rem;
  font-weight: bold;
  padding: 8px 12px;
  box-shadow: 1px 2px 3px black;
  border-radius: 5px;
}
.flipper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  border-radius: 4px;
}
.btn:hover {
  background-color: rgb(146, 142, 142);
}
.color-name {
  margin-left: 8px;
  color: rgb(30, 198, 0);
}
.navigation {
  background-color: white;
  padding: 15px 10px 15px 30px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid black;
  box-shadow: 0px 2px 10px 0px black;
}
.navigation ul li a {
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: bold;
  color: #fb8500;
}
.navigation ul li {
  list-style: none;
  display: inline-block;
  margin-right: 10px;
}
.navigation ul li a:hover {
  color: #ffb703;
}
.heading {
  color: #023047;
}