@import url('https://fonts.googleapis.com/css2?family=Montserrat&display=swap');
* {
  box-sizing: border-box;
}

body {
  background-color: blueviolet;
  font-family: 'Montserrat', open-sans;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center; /*cross axis here column so horizontal*/
  justify-content: center; /*main axis here column so vertical*/
  position: relative;
}

.btn {
  background-color: orange;
  color: #fff;
  border: none;
  padding: 1rem 2rem;
  border-radius: 10px;
  font-family: inherit;
  font-size: 20px;
}

.toasts {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
}

.toast {
  background-color: green;
  color: white;
  margin: 10px;
  padding: 10px;
  border-radius: 10px;
}

.toast.info {
  background-color: rebeccapurple;
}

.toast.success {
  background-color: green;
}

.toast.error {
  background-color: red;
}