@charset "utf-8";

    select[readonly],
    input[type="radio"][readonly],
    input[type="checkbox"][readonly]{
        pointer-events:none;
    }
    [readonly]{
        background-color:#E0E0E0;
        opacity: 0.6;
    }
    [readonly] + label{
        pointer-events:none;
    }
    [readonly] :before {
       pointer-events:none;
       content: '〇';
       color: #c0c0c0;
    }
    [readonly] checked::before {
      content: '●';
      color: #808080;
    }