$checkbox-width: 18px !default;
$checkbox-height: $checkbox-width !default;

md-checkbox {
  display: block;
  margin: 15px;
  white-space: nowrap;
  cursor: pointer;
  outline: none;
  user-select: none;

  .md-container {
    position: relative;
    top: 4px;
    display: inline-block;
    width: $checkbox-width;
    height: $checkbox-height;

    &:after {
      content: '';
      position: absolute;
      top: -10px;
      right: -10px;
      bottom: -10px;
      left: -10px;
    }

    .md-ripple-container {
      position: absolute;
      display: block;
      width: auto;
      height: auto;
      left: -15px;
      top: -15px;
      right: -15px;
      bottom: -15px;
    }
  }

  // unchecked
  .md-icon {
    transition: 240ms;
    position: absolute;
    top: 0;
    left: 0;
    width: $checkbox-width;
    height: $checkbox-height;
    border: 2px solid;
    border-radius: 2px;
  }

  &.md-checked .md-icon {
    border: none;
  }

  // disabled
  &[disabled] {
    cursor: no-drop;
  }

  // focus
  &:focus .md-label:not(:empty) {
    border-color: black;
  }


  &.md-checked .md-icon:after {
    transform: rotate(45deg);
    position: absolute;
    left: 6px;
    top: 2px;
    display: table;
    width: 6px;
    height: 12px;
    border: 2px solid;
    border-top: 0;
    border-left: 0;
    content: ' ';
  }

  .md-label {
    border: 1px dotted transparent;
    position: relative;
    display: inline-block;
    margin-left: 10px;
    vertical-align: middle;
    white-space: normal;
    pointer-events: none;
    user-select: text;
  }
}