.custom-checkbox{position:absolute;opacity:0;cursor:pointer}.checkmark{display:inline-block;width:12px;height:12px;border:1px solid black;position:relative;vertical-align:middle}.checkmark:after{content:"";width:0;height:0;border:solid black;border-width:0 1px 1px 0;position:absolute;left:50%;top:0;transform:translate(-50%) rotate(45deg);opacity:0}.custom-checkbox:checked+.checkmark:after{width:4px;height:8px;opacity:1}[dir=rtl] .custom-checkbox:checked+.checkmark:after{width:8px;height:4px;top:2px}.custom-checkbox:checked+.checkmark{box-shadow:0 0 0 3px #2196f380}