.container {
display: block;
position: relative;
padding-left: 35px;
margin-bottom: 12px;
cursor: pointer;
font-size: 20px;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
} .container input {
position: absolute;
opacity: 0;
cursor: pointer;
height: 0;
width: 0;
} .checkmark {
position: absolute;
top: 0;
left: 0;
height: 25px;
width: 25px;
background-color: #eee;
border: 1px solid #999;
} .container:hover input ~ .checkmark {
background-color: #ccc;
} .container input:checked ~ .checkmark {
background-color: #2196F3;
border: 1px solid transparent;
} .checkmark:after {
content: "";
position: absolute;
display: none;
} .container input:checked ~ .checkmark:after {
display: block;
} .container .checkmark:after {
left: 9px;
top: 5px;
width: 5px;
height: 10px;
border: solid white;
border-width: 0 3px 3px 0;
-webkit-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
}