:root {
    /* larger checkbox */
  }
  :root label.checkbox-bootstrap input[type=checkbox] {
    /* hide original check box */
    opacity: 0;
    position: absolute;
    /* find the nearest span with checkbox-placeholder class and draw custom checkbox */
    /* draw checkmark before the span placeholder when original hidden input is checked */
    /* disabled checkbox style */
    /* disabled and checked checkbox style */
    /* when the checkbox is focused with tab key show dots arround */
  }
  :root label.checkbox-bootstrap input[type=checkbox] + span.checkbox-placeholder {
    width: 14px;
    height: 14px;
    border: 1px solid;
    border-radius: 3px;
    /*checkbox border color*/
    border-color: #737373;
    display: inline-block;
    cursor: pointer;
    margin: 0 7px 0 -20px;
    vertical-align: middle;
    text-align: center;
  }
  :root label.checkbox-bootstrap input[type=checkbox]:checked + span.checkbox-placeholder {
    background: #0ccce4;
  }
  :root label.checkbox-bootstrap input[type=checkbox]:checked + span.checkbox-placeholder:before {
    display: inline-block;
    position: relative;
    vertical-align: text-top;
    width: 5px;
    height: 9px;
    /*checkmark arrow color*/
    border: solid white;
    border-width: 0 2px 2px 0;
    /*can be done with post css autoprefixer*/
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    content: "";
  }
  :root label.checkbox-bootstrap input[type=checkbox]:disabled + span.checkbox-placeholder {
    background: #ececec;
    border-color: #c3c2c2;
  }
  :root label.checkbox-bootstrap input[type=checkbox]:checked:disabled + span.checkbox-placeholder {
    background: #d6d6d6;
    border-color: #bdbdbd;
  }
  :root label.checkbox-bootstrap input[type=checkbox]:focus:not(:hover) + span.checkbox-placeholder {
    outline: 1px dotted black;
  }
  :root label.checkbox-bootstrap.checkbox-lg input[type=checkbox] + span.checkbox-placeholder {
    width: 26px;
    height: 26px;
    border: 2px solid;
    border-radius: 5px;
    /*checkbox border color*/
    border-color: #737373;
  }
  :root label.checkbox-bootstrap.checkbox-lg input[type=checkbox]:checked + span.checkbox-placeholder:before {
    width: 9px;
    height: 15px;
    /*checkmark arrow color*/
    border: solid white;
    border-width: 0 3px 3px 0;
  }