.checkbox {
    padding-left: 20px;
}

    .checkbox label {
        display: inline-block;
        position: relative;
        padding-left: 5px;
    }

        .checkbox label::before {
            content: "";
            display: inline-block;
            position: absolute;
            width: 17px;
            height: 17px;
            left: 0;
            margin-left: -20px;
            border: 1px solid #cccccc;
            border-radius: 3px;
            background-color: #fff;
            -webkit-transition: border 0.15s ease-in-out, color 0.15s ease-in-out;
            -o-transition: border 0.15s ease-in-out, color 0.15s ease-in-out;
            transition: border 0.15s ease-in-out, color 0.15s ease-in-out;
        }

        .checkbox label::after {
            display: inline-block;
            position: absolute;
            width: 16px;
            height: 16px;
            left: 0;
            top: 0;
            margin-left: -20px;
            padding-left: 3px;
            padding-top: 1px;
            font-size: 11px;
            color: #555555;
        }

    .checkbox input[type="checkbox"] {
        opacity: 0;
    }

        .checkbox input[type="checkbox"]:focus + label::before {
            outline: thin dotted;
            outline: 5px auto -webkit-focus-ring-color;
            outline-offset: -2px;
        }

        .checkbox input[type="checkbox"]:checked + label::after {
            font-family: 'FontAwesome';
            content: "\f00c";
        }

        .checkbox input[type="checkbox"]:disabled + label {
            opacity: 0.65;
        }

            .checkbox input[type="checkbox"]:disabled + label::before {
                background-color: #eeeeee;
                cursor: not-allowed;
            }

    .checkbox.checkbox-circle label::before {
        border-radius: 50%;
    }

    .checkbox.checkbox-inline {
        margin-top: 0;
    }

.checkbox-primary input[type="checkbox"]:checked + label::before {
    background-color: #428bca;
    border-color: #428bca;
}

.checkbox-primary input[type="checkbox"]:checked + label::after {
    color: #fff;
}

.checkbox-danger input[type="checkbox"]:checked + label::before {
    background-color: #d9534f;
    border-color: #d9534f;
}

.checkbox-danger input[type="checkbox"]:checked + label::after {
    color: #fff;
}

.checkbox-info input[type="checkbox"]:checked + label::before {
    background-color: #5bc0de;
    border-color: #5bc0de;
}

.checkbox-info input[type="checkbox"]:checked + label::after {
    color: #fff;
}

.checkbox-warning input[type="checkbox"]:checked + label::before {
    background-color: #f0ad4e;
    border-color: #f0ad4e;
}

.checkbox-warning input[type="checkbox"]:checked + label::after {
    color: #fff;
}

.checkbox-success input[type="checkbox"]:checked + label::before {
    background-color: #5cb85c;
    border-color: #5cb85c;
}

.checkbox-success input[type="checkbox"]:checked + label::after {
    color: #fff;
}


/*<div class="checkbox checkbox-primary">
    <input id="checkbox2" type="checkbox" checked="">
    <label for="checkbox2">
        Primary
    </label>
</div>*/

/*<div class="checkbox checkbox-circle">
    <input id="checkbox7" type="checkbox">
    <label for="checkbox7">
        Simply Rounded
    </label>
</div>*/