@import url(http://fonts.googleapis.com/css?family=Open+Sans);

.md_checkbox {
  display: flex;
  font-family: "Open Sans";
  font-size: 30px;
  align-items: center;
  margin: 10px 0;
}

.md_checkbox [type=checkbox] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.md_checkbox .md_checkbox__tick {
  position: relative;
  cursor: pointer;
}

.md_checkbox .md_checkbox__tick::before {
  content: '';
  display: block;
  margin: 0 3px;
  height: 30px;
  width: 30px;
  border: 2px #CFD8DC solid;
  border-radius: 3px;
}

.md_checkbox [type=checkbox]:focus+.md_checkbox__tick::before {
  outline: #5d9dd5 solid 1px;
  box-shadow: 0 0px 8px #5e9ed6;
}

.md_checkbox [type=checkbox]:checked+.md_checkbox__tick::before {
  background: #3700B3;
  border-color: #3700B3;
}

.md_checkbox [type=checkbox]:disabled+.md_checkbox__tick::before {
  background: #CFD8DC;
  border-color: #CFD8DC;
}

.md_checkbox [type=checkbox]+.md_checkbox__tick::after {
  content: '✓';
  position: absolute;
  line-height: 30px;
  text-align: center;
  color: white;
  top: 0px;
  left: 0px;
  margin: 0 3px;
  height: 30px;
  width: 30px;
  border: 2px rgba(0, 0, 0, 0) solid;
  opacity: 0;
}

.md_checkbox [type=checkbox]:checked+.md_checkbox__tick::after {
  opacity: 1;
}