.form-check-input {
    width: 1em;
    height: 1em;
    margin-top: 0.25em;
    vertical-align: top;
    background-color: #fff;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 2px solid #e9e9ef;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-print-color-adjust: exact;
    color-adjust: exact;
}

    .form-check-input[type=checkbox] {
        border-radius: 0.25em;
    }

    .form-check-input[type=radio] {
        border-radius: 50%;
    }

    .form-check-input:active {
        filter: brightness(90%);
    }

    .form-check-input:focus {
        border: 1px solid #d60231;        
        outline: 0;
        box-shadow: none;
    }

    .form-check-input:checked {
        background-color: #d60231;
        border: 1px solid #d60231;
    }

        .form-check-input:checked[type=checkbox] {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
        }

        .form-check-input:checked[type=radio] {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
        }

    .form-check-input[type=checkbox]:indeterminate {
        background-color: #d60231;
        border: 1px solid #d60231;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10h8'/%3e%3c/svg%3e");
    }

    .form-check-input:disabled {
        pointer-events: none;
        filter: none;
        opacity: 0.5;
    }

        .form-check-input[disabled] ~ .form-check-label, .form-check-input:disabled ~ .form-check-label {
            opacity: 0.5;
        }