a.custom-tooltip {
        position: relative;
        display: inline;
        white-space: nowrap;
    }
    a.custom-tooltip span {
        position: absolute;
        color: #FFFFFF;
        background: #000000;
        height: 30px;
        line-height: 30px;
        text-align: center;
        visibility: hidden;
        -ms-border-radius: 6px;
        border-radius: 6px;
        padding-left: 10px;
        padding-right: 10px;
    }
    a.custom-tooltip span:after {
        content: '';
        position: absolute;
        top: 5%;
        right: 45%;
        margin-top: -8px;
        width: 0; height: 0;
        border-bottom: 8px solid #000000;
        border-right: 8px solid transparent;
        border-left: 8px solid transparent;
    }
    a:hover.custom-tooltip span {
        font-size: 12px;
        visibility: visible;
        -ms-opacity: 0.8;
        opacity: 0.8;
        left: 0;
        top: 180%;
        margin-top: -15px;
        margin-left: 0;
        z-index: 999;
    }
    button.custom-tooltip {
        position: relative;
        display: inline;
        white-space: nowrap;
    }
    button.custom-tooltip span {
        position: absolute;
        color: #FFFFFF;
        background: #000000;
        height: 30px;
        line-height: 30px;
        text-align: center;
        visibility: hidden;
        -ms-border-radius: 6px;
        border-radius: 6px;
        padding-left: 10px;
        padding-right: 10px;
    }
    button.custom-tooltip span:after {
        content: '';
        position: absolute;
        top: 5%;
        right: 80%;
        margin-top: -8px;
        width: 0; height: 0;
        border-bottom: 8px solid #000000;
        border-right: 8px solid transparent;
        border-left: 8px solid transparent;
    }
    button:hover.custom-tooltip span {
        font-size: 12px;
        visibility: visible;
        -ms-opacity: 0.8;
        opacity: 0.8;
        left: 0;
        top: 180%;
        margin-top: 0;
        margin-left: 0;
        z-index: 999;
    }