button {
  border-radius: 0;
  margin: 0;
  font: ui-sans-serif;
  line-height: inherit;
  text-transform: none;
  -webkit-appearance: button;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  padding: 0;
  border-style: none;
}

button:focus {
  outline: 1px dotted;
  outline: 5px auto -webkit-focus-ring-color;
}

.nes-btn {
  border-style: solid;
  border-width: 4px;
  border-image-slice: 2;
  border-image-width: 2;
  border-image-repeat: stretch;
  border-image-source: url('data:image/svg+xml;utf8,<?xml version="1.0" encoding="UTF-8" ?><svg version="1.1" width="5" height="5" xmlns="http://www.w3.org/2000/svg"><path d="M2 1 h1 v1 h-1 z M1 2 h1 v1 h-1 z M3 2 h1 v1 h-1 z M2 3 h1 v1 h-1 z" fill="rgb(33,37,41)" /></svg>');
  border-image-outset: 2;
  position: relative;
  display: inline-block;
  padding: 6px 8px;
  margin: 4px;
  text-align: center;
  vertical-align: middle;
  cursor: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAzElEQVRYR+2X0Q6AIAhF5f8/2jYXZkwEjNSVvVUjDpcrGgT7FUkI2D9xRfQETwNIiWO85wfINfQUEyxBG2ArsLwC0jioGt5zFcwF4OYDPi/mBYKm4t0U8ATgRm3ThFoAqkhNgWkA0jJLvaOVSs7j3qMnSgXWBMiWPXe94QqMBMBc1VZIvaTu5u5pQewq0EqNZvIEMCmxAawK0DNkay9QmfFNAJUXfgGgUkLaE7j/h8fnASkxHTz0DGIBMCnBeeM7AArpUd3mz2x3C7wADglA8BcWMZhZAAAAAElFTkSuQmCC)
      14 0,
    pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  color: #212529;
  background-color: #fff;
}

@media all and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: 0.001dpcm) {
  .nes-btn {
    border-image-repeat: space;
  }
}

@supports (-moz-appearance: meterbar) {
  .nes-btn {
    border-image-repeat: stretch;
  }
}

.nes-btn::after {
  position: absolute;
  top: -4px;
  right: -4px;
  bottom: -4px;
  left: -4px;
  content: "";
  box-shadow: inset -4px -4px #adafbc;
}

.nes-btn:hover {
  color: #212529;
  text-decoration: none;
  background-color: #e7e7e7;
}

.nes-btn:hover::after {
  box-shadow: inset -6px -6px #adafbc;
}

.nes-btn:focus {
  box-shadow: 0 0 0 6px rgba(173, 175, 188, 0.3);
}

.nes-btn:active:not(.is-disabled)::after {
  box-shadow: inset 4px 4px #adafbc;
}

.nes-btn:focus {
  outline: 0;
}

.nes-btn.is-disabled,
.nes-btn.is-disabled:hover,
.nes-btn.is-disabled:focus {
  color: #212529;
  cursor: not-allowed;
  background-color: #d3d3d3;
  box-shadow: inset -4px -4px #adafbc;
  opacity: 0.6;
}

.nes-btn.is-primary {
  color: #fff;
  background-color: #209cee;
}

.nes-btn.is-primary::after {
  position: absolute;
  top: -4px;
  right: -4px;
  bottom: -4px;
  left: -4px;
  content: "";
  box-shadow: inset -4px -4px #006bb3;
}

.nes-btn.is-primary:hover {
  color: #fff;
  text-decoration: none;
  background-color: #108de0;
}

.nes-btn.is-primary:hover::after {
  box-shadow: inset -6px -6px #006bb3;
}

.nes-btn.is-primary:focus {
  box-shadow: 0 0 0 6px rgba(0, 107, 179, 0.3);
}

.nes-btn.is-primary:active:not(.is-disabled)::after {
  box-shadow: inset 4px 4px #006bb3;
}

.nes-btn.is-success {
  color: #fff;
  background-color: #92cc41;
}

.nes-btn.is-success::after {
  position: absolute;
  top: -4px;
  right: -4px;
  bottom: -4px;
  left: -4px;
  content: "";
  box-shadow: inset -4px -4px #4aa52e;
}

.nes-btn.is-success:hover {
  color: #fff;
  text-decoration: none;
  background-color: #76c442;
}

.nes-btn.is-success:hover::after {
  box-shadow: inset -6px -6px #4aa52e;
}

.nes-btn.is-success:focus {
  box-shadow: 0 0 0 6px rgba(74, 165, 46, 0.3);
}

.nes-btn.is-success:active:not(.is-disabled)::after {
  box-shadow: inset 4px 4px #4aa52e;
}

.nes-btn.is-warning {
  color: #212529;
  background-color: #f7d51d;
}

.nes-btn.is-warning::after {
  position: absolute;
  top: -4px;
  right: -4px;
  bottom: -4px;
  left: -4px;
  content: "";
  box-shadow: inset -4px -4px #e59400;
}

.nes-btn.is-warning:hover {
  color: #212529;
  text-decoration: none;
  background-color: #f2c409;
}

.nes-btn.is-warning:hover::after {
  box-shadow: inset -6px -6px #e59400;
}

.nes-btn.is-warning:focus {
  box-shadow: 0 0 0 6px rgba(229, 148, 0, 0.3);
}

.nes-btn.is-warning:active:not(.is-disabled)::after {
  box-shadow: inset 4px 4px #e59400;
}

.nes-btn.is-error {
  color: #fff;
  background-color: #e76e55;
}

.nes-btn.is-error::after {
  position: absolute;
  top: -4px;
  right: -4px;
  bottom: -4px;
  left: -4px;
  content: "";
  box-shadow: inset -4px -4px #8c2022;
}

.nes-btn.is-error:hover {
  color: #fff;
  text-decoration: none;
  background-color: #ce372b;
}

.nes-btn.is-error:hover::after {
  box-shadow: inset -6px -6px #8c2022;
}

.nes-btn.is-error:focus {
  box-shadow: 0 0 0 6px rgba(140, 32, 34, 0.3);
}

.nes-btn.is-error:active:not(.is-disabled)::after {
  box-shadow: inset 4px 4px #8c2022;
}

.nes-btn input[type="file"] {
  position: absolute;
  pointer-events: none;
  opacity: 0;
}