styles.css

body {
  font-family: sans-serif;
  font-size: 1.2em;
  color: #cbf7fb;
  background-image: url(imgs/back.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-size: cover;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

#box {
  background: rgba(14, 25, 37, 0.9);
  border: solid 2px #112f41;
  margin-right: 1em;
  overflow: hidden;
  padding: 10px;
  width: fit-content;
  margin: auto
}

input[type="checkbox"] {
  display: none;
}

input[type="checkbox"]:not(:checked) + label {
  color: #acafaf;
}

label {
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* Non-prefixed version, currently
    supported by Chrome and Opera */
  display: inline-block;
}

label > img, h2 > img {
  height: 1.2em;
  vertical-align: sub;
}

/* When unchecked, grey out */
input[type="checkbox"]:not(:checked) + label > img {
  filter: saturate(10%) brightness(70%);
}

button {
  font-size: 1em;
  background: #262626;
  background-image: -moz-linear-gradient(center top, #172D37 0%, #233E4D 100%);
  background-image: -webkit-gradient(linear, center top, left bottom, color-stop(0%, #172D37), color-stop(100%, #233E4D));
  background-image: -webkit-linear-gradient(top, #172D37 0%, #233E4D 100%);
  background-image: -o-linear-gradient(top, #172D37 0%, #233E4D 100%);
  background-image: -ms-linear-gradient(top, #172D37 0%, #233E4D 100%);
  background-image: linear-gradient(to bottom, #172D37 0%, #233E4D 100%);
  border: 1px solid #233E4D;
  border-radius: 4px;
  color: #42CCD2;
  vertical-align: middle;
  padding: 1px 1em;
  margin: .5em;
}

#profile {
  width: 256px;
  max-width: 100%;
  margin: 5px;
}

.corner {
  bottom: 5px;
  left: 5px;
  position: fixed;
  width: 3em;
  fill: #233E4D;
  stroke: #42CCD2;
  cursor: pointer;
  stroke-width: 1px;
}

#overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  background: #233E4D;
}

#template {
  display: none;
}

.blacklist {
  margin: 3px;
  border-radius: 3px;
  box-shadow: inset 0 0px 2px 4px #42CCD2;
  background-size: contain;
}

.blacklist img, .blacklist {
  max-width: 100%;
}

.blacklist img {
  opacity: 0;
}

.category {
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: repeat( auto-fill, minmax(128px, 1fr) );
  grid-auto-rows: min-content;

  max-width: calc(100vw - 2em);
  padding: 0 1em 1em 1em;
}

.category > h2 {
  grid-column: 1 / -1;
  grid-row: 1;
  font-size: 2em;
}

.blacklist.off {
  filter: grayscale(100%);
  box-shadow: inset 0 0px 2px 4px rgba(36, 45, 50, 0.9);
}

#close {
  z-index: 1;
}