.mention {
    	font-weight: bold;
        height: 22px;
        line-height: 22px;
        font-size: 12px;
        padding: 0 9px;
        border-radius: 10px;
        display: inline-block;
        vertical-align: middle;
        text-shadow: none;
        letter-spacing: 0;
        background: #ddd;
}