style.css

@font-face {
  src: url(nameg.ttf);
  font-family: time;
}

@font-face {
  src: url(digitalism.ttf);
  font-family: digital;
}

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

body {
  height: 100vh;
  width: 100vw;
}

.main {
  margin: 0 auto;
  height: 100%;
  width: 100%;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-direction: column;
  gap: 0.3rem;
  background-image: radial-gradient(circle at center center, rgba(33, 33, 33, 0), rgb(33, 33, 33)), repeating-linear-gradient(135deg, rgb(33, 33, 33) 0px, rgb(33, 33, 33) 1px, transparent 1px, transparent 4px), repeating-linear-gradient(45deg, rgb(56, 56, 56) 0px, rgb(56, 56, 56) 5px, transparent 5px, transparent 6px), linear-gradient(90deg, rgb(33, 33, 33), rgb(33, 33, 33));
}

.button {
  background-color: darkcyan;
  border: black solid 1px;
  padding: 0.7rem 0;
  width: 5rem;
  color: white;
  font-weight: 500;
  box-shadow: 0 0 5px white;
}

#count {
  margin: auto;
  font-size: 6rem;
  font-family: time;
  font-weight: 500;
  filter: drop-shadow(0 0 0.5px white) drop-shadow(0 0 0.5px white) drop-shadow(0 0 0.5px white);
}

.digital {
  font-family: digital !important;
}

#reset {
  margin-bottom: 30px;
}

.toast {
  position: absolute;
  font-weight: 700;
  text-align: center;
  height: 30px;
  width: 210px;
  background-color: white;
  border: gold solid 1px;
  top: 140%;
  left: 170%;
  transform: translate(-50%, -50%);
  border-radius: 5px;
  opacity: 0;
  transition: opacity 1s ease;
}

.toast:before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  border: gold solid 1px;
  top: -11.5px;
  left: 30px;
  transform: rotate(45deg);
  background-color: inherit;
  border-right-color: transparent;
  border-bottom-color: transparent;

}

p {
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
  font-size: 1rem;
  color: black;
  z-index: 1;
  text-align: center;
  position: absolute;
  left: 10px;
  top: 5px;
}

.show {
  opacity: 1;
}

@media (min-width: 768px) {
  .main {
    gap: 1.3rem;
  }

  #reset {
    margin-bottom: 6rem;
  }

  .button {
    border: black solid 1px;
    padding: 1.5rem 0;
    width: 15rem;
    font-size: 3rem;
    font-weight: 500;
  }

  #count {
    font-size: 15rem;
    filter: drop-shadow(0 0 1px white) drop-shadow(0 0 1px white) drop-shadow(0 0 1px white);
  }

  .toast {
    left: 110%;
    top: 100%;
  }
}