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

body {
  font-family: "Helvetica Now Text", sans-serif;
  height: 100vh;
  /* background: lightgray; */
  background: #345;
  display: flex;
  justify-content: center;
  align-items: center;
}

.button-container {
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

button {
  font-family: inherit;
  font-size: 1.5rem;
  padding: 0.5rem 1rem;
  background-color: unset;
  border: none;
  box-shadow: 6px 6px 0px #000;
  cursor: pointer;
  transition-property: box-shadow, transform, filter;
  transition-duration: 0.2s;
  user-select: none;
}

button:focus {
  box-shadow: 1px 1px 0px #000;
  transform: translate(6px, 6px);
}

button:is(:hover, :focus) {
  filter: brightness(90%);
}

.success {
  background-color: lime;
}

.warning {
  background-color: red;
}

.info {
  background-color: yellow;
}

/* --------------------- toast message -------------------- */

.toast-container {
  position: fixed;
  top: clamp(1rem, 5vh, 2rem);
  right: clamp(1rem, 5vh, 2rem);
}

.toast {
  font-size: 1rem;
  font-family: "Open Sans";
  font-weight: bold;
  padding: 0.5rem 1rem;
  background-color: lightcyan;
  animation: toast-it 3s cubic-bezier(0.645, 0.045, 0.355, 1) forwards;
  margin-bottom: 1rem;
  border-radius: 0.25rem;
  backdrop-filter: blur(0.375rem);
}

.toast.success {
  background-color: rgba(128, 255, 64, 0.375);
}
.toast.warning {
  background-color: rgba(255, 128, 64, 0.375);
}
.toast.info {
  background-color: rgba(255, 255, 64, 0.375);
}

@keyframes toast-it {
  0%,
  100% {
    opacity: 0;
    transform: translateY(-150%);
  }
  10%,
  90% {
    opacity: 1;
    transform: translate(0%);
  }
}