style.css

body {
  text-align: center;
  background-color:aliceblue;
}

button {
  background-color: #00f400; 
  height: 5vh; 
  width: 10vw;
}

.centered-div {
  display: flex;
  justify-content: center; 
  text-align: center;
}

.counter {
  font-size: 4em;
}

#canvas {
  border:1px solid black
}

.regular-text {
  font-size: 20px;
}

input::-webkit-outer-spin-button, input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
  border:solid transparent; 
  background-color:aliceblue;
}

input[type=number] {
  -moz-appearance: textfield;
  border:solid transparent; 
  background-color:aliceblue;
  width: 4ch;
}

input[type=range] {
  width: 25vw;
}
  
input[type=checkbox]{
  -webkit-appearance: none;
  position: relative;
  width: 40px;
  height: 20px;
  background: #ccc;
  border-radius: 10px;
  outline: none;
}
  
input[type=checkbox]:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background: linear-gradient(to bottom, #fff 0%, #eee 100%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
  border-radius: 10px;
}

input[type=checkbox]:checked {
  background: #56c080;
}
  
input[type=checkbox]:checked:before {
  transform: translate(100%);
}

.mobile-only {
  display: none;
}

@media (max-width: 1000px) {
  button {
    width: 250px;
    height: 75px;
    font-size: 50px;
  }
  input[type=range] {
    width: 40vw;
    transform: scale(1,1.2);
  }
  .counter {
    font-size: 9em;
  }
  input[type=checkbox]{
    width: 90px;
    height: 45px;
    border-radius: 22.5px;
  }  
  input[type=checkbox]:before {
    height: 45px;
    width: 45px;
    border-radius: 22.5px;
  }
  .regular-text {
    font-size: 45px;
  }
  input[type=number] {
    font-size: 3em;
  }
  .small-text{
    font-size: 25px;
  }
  .mobile-only {
    display: block;
  }
}