.rbl input[type=radio] {
    position: relative;
    top: 1px;
}

    .rbl input[type=radio]:checked + label {
        font-weight: bold;
        top: 1px;
    }

.rbl label {
    padding-left: 5px;
    padding-right: 30px;
    font-weight: normal;
}

label.required:after {
    content: '*';
    color: darkred;
    padding-left: 5px;
}

.required-validator {
    font-weight: bold;
    color: darkred;
    font-size: 12px;
    display: inline-block;
    padding-left: 5px;
}

.icon-info-sign {
    padding-left: 5px;
}

/* Popup container */
.popup {
    position: relative;
    display: inline-block;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* The actual popup*/
.popuptext {
    visibility: hidden;
    width: 160px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px 0;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -80px;
}

    /* Popup arrow */
    .popuptext::after {
        content: "";
        position: absolute;
        top: 100%;
        left: 50%;
        margin-left: -5px;
        border-width: 5px;
        border-style: solid;
        border-color: #555 transparent transparent transparent;
    }

/* Toggle this class when clicking on the popup container (hide and show the popup) */
.show {
    visibility: visible;
    -webkit-animation: fadeIn 1s;
    animation: fadeIn 1s
}

/* Add animation (fade in the popup) */
@-webkit-keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}