h1 {
  width: 50rem;
  height: 10rem;
  text-align: center;
  font-size: 5rem;
  line-height: 10rem;
}

.img-container {
  position: relative;
  width: 50rem;
  /* height: 50rem; */
  border: 1px solid #000;
  overflow: hidden;
  transition: filter 2s;
  filter: brightness(2) invert(1) grayscale(1);
}

.img-container img {
  width: 100%;
  height: auto;
}

.img-container img:nth-child(1) {
  position: relative;
  left: 0px;
  top: 0px;
  mix-blend-mode: normal;
}

.img-container img:nth-child(2) {
  position: absolute;
  left: 2px;
  top: 2px;
  mix-blend-mode: difference;
  /* filter: brightness(2) invert(1) grayscale(1); */
}

.filters label {
  display: block;
  width: 100%;
  font-size: 0.2rem;
  color: #555;
  margin: 3px 0;
  height: 2.5rem;
  line-height: 2.5rem;
}

.filters label span {
  display: inline-block;
  text-align: left;
  width: 350px;
}

input[type='range'] {
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
  -ms-appearance: none;
  width: 300px;
  height: 10px;
  background-color: #333;
  box-shadow: 0 -1px 1px rgba(255, 255, 255, 0.5) inset;
  border-radius: 5px;
  outline: none;
}
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;

  height: 1.5rem;
  width: 1.5rem;
  background: rgb(200, 60, 60);
  border-radius: 50%;
  box-shadow: 1px 1px 1px white inset, 1px 1px 1px black;
}
input[type='range']::-webkit-slider-thumb:hover {
  cursor: pointer;
}

.img-container-2 {
  position: relative;
  width: 50rem;
  border: 1px solid #000;
  overflow: hidden;
  transition: filter 2s;
  filter: brightness(2) grayscale(1);
}

.img-container-2 img {
  width: 100%;
  height: auto;
}

.img-container-2 img:nth-child(1) {
  position: relative;
  left: 0px;
  top: 0px;
  mix-blend-mode: normal;
}

.img-container-2 img:nth-child(2) {
  position: absolute;
  left: 2px;
  top: 2px;
  mix-blend-mode: difference;
}

.img-container-3 {
  position: relative;
  width: 50rem;
  border: 1px solid #000;
  overflow: hidden;
  transition: filter 2s;
  filter: brightness(2) invert(1) grayscale(1);
}

.img-container-3 img {
  width: 100%;
  height: auto;
}

.img-container-3 img:nth-child(1) {
  position: relative;
  left: 0px;
  top: 0px;
  mix-blend-mode: normal;
}

.img-container-3 img:nth-child(2) {
  position: absolute;
  left: 0px;
  top: 0px;
  mix-blend-mode: screen;
}

.img-container-3 img:nth-child(3) {
  position: absolute;
  left: 2px;
  top: 2px;
  mix-blend-mode: difference;
}

.img-container-4 {
  position: relative;
  width: 50rem;
  border: 1px solid #000;
  overflow: hidden;
  transition: filter 2s;
  filter: brightness(2) invert(1) grayscale(1);
}

.img-container-4 img {
  width: 100%;
  height: auto;
}

.img-container-4 img:nth-child(1) {
  position: relative;
  left: 0px;
  top: 0px;
  mix-blend-mode: normal;
}

.img-container-4 img:nth-child(2) {
  position: absolute;
  left: 0px;
  top: 0px;
  mix-blend-mode: screen;
}

.img-container-4 img:nth-child(3) {
  position: absolute;
  left: -1px;
  top: -1px;
  mix-blend-mode: color-burn;
}

.img-container-4 img:nth-child(4) {
  position: absolute;
  left: -1px;
  top: -1px;
  mix-blend-mode: screen;
}

.img-container-4 img:nth-child(5) {
  position: absolute;
  left: 1px;
  top: 1px;
  mix-blend-mode: color-burn;
}

.img-container-4 img:nth-child(6) {
  position: absolute;
  left: 1px;
  top: 1px;
  mix-blend-mode: screen;
}

.img-container-4 img:nth-child(7) {
  position: absolute;
  left: 0px;
  top: 0px;
  mix-blend-mode: color-burn;
}

.img-container-4 img:nth-child(8) {
  position: absolute;
  left: 0px;
  top: 0px;
  mix-blend-mode: color-burn;
}

/* .img-container-4 img:nth-child(5) {
  position: absolute;
  left: 20px;
  top: 20px;
  mix-blend-mode: color-burn;
} */