How to fix checkboxes and radiobuttons display on iOS devices? - ios

Question

They work great on PC, Mac OS and Android, but look checked/wrong on iOS devices - see images below.
Live example - http://demos.creative-tim.com/material-dashboard/documentation/tutorial-components.html#checkbox-row.
Checkbox related CSS:
.checkbox input[type=checkbox] {
opacity: 0;
position: absolute;
margin: 0;
z-index: -1;
width: 0;
height: 0;
overflow: hidden;
left: 0;
pointer-events: none;
}
.checkbox .checkbox-material {
vertical-align: middle;
position: relative;
top: 3px;
padding-right: 5px;
}
.checkbox .checkbox-material:before {
display: block;
position: absolute;
left: 0;
content: "";
background-color: rgba(0, 0, 0, 0.84);
height: 20px;
width: 20px;
border-radius: 100%;
z-index: 1;
opacity: 0;
margin: 0;
transform: scale3d(2.3, 2.3, 1);
}
.checkbox .checkbox-material .check {
position: relative;
display: inline-block;
width: 20px;
height: 20px;
border: 1px solid rgba(0,0,0, .54);
overflow: hidden;
z-index: 1;
border-radius: 3px;
}
.checkbox .checkbox-material .check:before {
position: absolute;
content: "";
transform: rotate(45deg);
display: block;
margin-top: -3px;
margin-left: 7px;
width: 0;
height: 0;
background: red;
box-shadow: 0 0 0 0, 0 0 0 0, 0 0 0 0, 0 0 0 0, 0 0 0 0, 0 0 0 0, 0 0 0 0 inset;
animation: checkbox-off 0.3s forwards;
}
.checkbox input[type=checkbox]:focus + .checkbox-material .check:after {
opacity: 0.2;
}
.checkbox input[type=checkbox]:checked + .checkbox-material .check {
background: #9c27b0;
}
.checkbox input[type=checkbox]:checked + .checkbox-material .check:before {
color: #FFFFFF;
box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px;
animation: checkbox-on 0.3s forwards;
}
.checkbox input[type=checkbox]:checked + .checkbox-material:before {
animation: rippleOn 500ms;
}
.checkbox input[type=checkbox]:checked + .checkbox-material .check:after {
animation: rippleOn 500ms forwards;
}
.checkbox input[type=checkbox]:not(:checked) + .checkbox-material:before {
animation: rippleOff 500ms;
}
.checkbox input[type=checkbox]:not(:checked) + .checkbox-material .check:after {
animation: rippleOff 500ms;
}
fieldset[disabled] .checkbox, fieldset[disabled] .checkbox input[type=checkbox],
.checkbox input[type=checkbox][disabled] ~ .checkbox-material .check,
.checkbox input[type=checkbox][disabled] + .circle {
opacity: 0.5;
}
.checkbox input[type=checkbox][disabled] ~ .checkbox-material .check {
border-color: #000000;
opacity: .26;
}
.checkbox input[type=checkbox][disabled] + .checkbox-material .check:after {
background-color: rgba(0,0,0, 0.87);
transform: rotate(-45deg);
}
#keyframes checkbox-on {
0% {
box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 15px 2px 0 11px;
}
50% {
box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px 2px 0 11px;
}
100% {
box-shadow: 0 0 0 10px, 10px -10px 0 10px, 32px 0 0 20px, 0px 32px 0 20px, -5px 5px 0 10px, 20px -12px 0 11px;
}
}
#keyframes rippleOn {
0% {
opacity: 0;
}
50% {
opacity: 0.2;
}
100% {
opacity: 0;
}
}
#keyframes rippleOff {
0% {
opacity: 0;
}
50% {
opacity: 0.2;
}
100% {
opacity: 0;
}
}

Answer 1

You'll need to use appearance in your CSS:
.checkbox input[type=checkbox] {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}