.custom-checkbox.form-check-input {
    appearance: none;
    width: 25px;
    height: 25px;
    border: 2px solid black;
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    margin-right: 10px;
}

/* Custom checkmark */
.custom-checkbox:checked.form-check-input {
    background-color: var(--secondary-color) ;
    border-color: var(--secondary-color);
}

/* Checkmark icon */
.custom-checkbox:checked::before.form-check-input {
    content: '✔';
    color: white;
    font-size: 18px;
    position: absolute;
    left: 2px;
}
.form-check-input:checked {
     background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color)! important;
}