Template:Invslot/styles.css

.invslot {
  width: 64px;
  height: 64px;
  position: relative;
  margin: 1px;
  display: inline-block;
  vertical-align: middle;
  background: #8b8b8b;
  border: 2px solid;
  border-color: #373737 #fff #fff #373737;
  box-sizing: border-box;
}

.invslot-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.invslot-bg * {
  margin: 0 !important;
  padding: 0 !important;
}

.invslot-bg img {
  width: 64px !important;
  height: 64px !important;
  image-rendering: pixelated;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
}

.slotwrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slotwrap > * {
  margin: 0 !important;
}

.slotwrap img {
  width: 32px !important;
  height: 32px !important;
  image-rendering: pixelated;
  display: block !important;
  position: relative !important;
  margin: 0 auto !important;
}

/* count */
.invslot .invcount {
  position: absolute;
  bottom: 2px;
  right: 3px;
  font-family: Minecraft, monospace, sans-serif;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  text-shadow: 2px 2px 0 #3f3f3f;
  z-index: 2;
  line-height: 1;
}

/* tooltip */
.mctt {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 8px;
  background: rgba(16, 0, 16, 0.94);
  border: 2px solid;
  border-color: #2d0a63 #100010;
  padding: 5px 8px;
  color: #fff;
  font-family: Minecraft, monospace, sans-serif;
  font-size: 12px;
  white-space: nowrap;
  z-index: 1000;
  display: none;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5);
}

.mctt div {
  line-height: 1.4;
  margin: 1px 0;
}

/* show on hover */
.invslot:hover .mctt {
  display: block;
}

/* hover overlay */
.invslot::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0);
  z-index: 10;
  transition: background 0.1s;
}

.invslot:hover::before {
  background: rgba(255, 255, 255, 0.3);
}

/* rarity classes */
.invslot-common {
  background: #8b8b8b;
}

.invslot-uncommon {
  background: #9b9b9b;
  box-shadow: 0 0 4px rgba(85, 255, 85, 0.5);
}

.invslot-rare {
  background: #9b9b9b;
  box-shadow: 0 0 4px rgba(85, 170, 255, 0.5);
}

.invslot-epic {
  background: #9b9b9b;
  box-shadow: 0 0 4px rgba(170, 85, 255, 0.5);
}

.invslot-legendary {
  background: #9b9b9b;
  box-shadow: 0 0 4px rgba(255, 170, 0, 0.5);
}