.spi-tc-word {
    text-decoration-line: underline;
    text-decoration-style: dotted;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    text-decoration-color: rgba(70, 90, 110, .45);
    cursor: pointer;
}

.spi-tc-popover {
    position: absolute;
    z-index: 99999;
    min-width: 150px;
    max-width: 260px;
    padding: 9px 11px;
    background: #fff;
    color: #222;
    border: 1px solid rgba(70, 90, 110, .25);
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(0,0,0,.14);
    font-size: 14px;
    line-height: 1.45;
}
.spi-tc-popover strong { display:block; margin-bottom:4px; }
.spi-tc-popover .spi-tc-lang { white-space:nowrap; }