.checkbox-container {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 12px;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.checkbox-container .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    border: 1px solid white;
}
.checkbox-container .checkmark:after {
    content: "";
    position: absolute;
    display: none;
}
.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}
.checkbox-container .checkmark:after {
    left: 5px;
    top: 5px;
    height: 10px;
    width: 10px;
    background: #FED15B;
}