li.a {
    display: block;
    color: #424242;
}

li.b {
    display: block;
    color: #5b5b5b;
}

li.a::before {
    content: "✔";
    font-family: 'Glyphicons Halflings';
    font-size: 15px;
    float: left;
    margin-left: -15px;
    color: #849E65;
}

li.b::before {
    content: "✘";
    font-size: 15px;
    float: left;
    margin-left: -15px;
    color: #CB343E;
}