custom cursor css

#custom-cursor {
  display: none;
  position: fixed;
  width: 20px;
  height: 20px;
  top: -10px;
  left: -10px;
  border: 2px solid black;
  border-radius: 50%;
  opacity: 1;
  background-color: #fb4d98;
  pointer-events: none;
  z-index: 99999999;
  transition: transform ease-out 0.15s, border 0.5s, opacity 0.5s, background-color 0.5s;
}

#custom-cursor.active {
  opacity: 0.5;
  background-color: #000;
  border: 2px solid #fb4d98;
}

//Syntax
.container:hover {
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32' ><path  d='M ... Z'/></svg>"),
    auto;
}

//Real example
.container:hover {
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32' ><path  d='M 3 5 L 3 23 C 3 25.210938 4.789063 27 7 27 L 25 27 C 27.210938 27 29 25.210938 29 23 L 29 12 L 23 12 L 23 5 Z M 5 7 L 21 7 L 21 23 C 21 23.730469 21.222656 24.410156 21.5625 25 L 7 25 C 5.808594 25 5 24.191406 5 23 Z M 7 9 L 7 14 L 19 14 L 19 9 Z M 9 11 L 17 11 L 17 12 L 9 12 Z M 23 14 L 27 14 L 27 23 C 27 24.191406 26.191406 25 25 25 C 23.808594 25 23 24.191406 23 23 Z M 7 15 L 7 17 L 12 17 L 12 15 Z M 14 15 L 14 17 L 19 17 L 19 15 Z M 7 18 L 7 20 L 12 20 L 12 18 Z M 14 18 L 14 20 L 19 20 L 19 18 Z M 7 21 L 7 23 L 12 23 L 12 21 Z M 14 21 L 14 23 L 19 23 L 19 21 Z'/></svg>"),
    auto;
}