@import url('https://fonts.googleapis.com/css2?family=Protest+Guerrilla&display=swap');

body {
    margin: 0px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #f4f4f4;
}

h2 {
    text-align: center;
    font-size: 48px;
    font-family: "Protest Guerrilla", sans-serif;
}

#semafor {
  display: flex;
  flex-direction: column;
  width: 150px;
  height: 350px;
  background-color: #333;
  border-radius: 30px;
  padding: 20px;
  box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.5);
  margin-top: 50px;
}

.svetlo {
    width: 90px;
    height: 90px;
    margin: 15px auto;
    border-radius: 50%;
    background-color: grey;
    box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.3);
}