.ui-tooltip {
background: #666;
color: white;
border: none;
padding: 0;
opacity: 1;
}
.ui-tooltip-content {
position: relative;
padding: 0px 5px;
}
.ui-tooltip-content::after {
content: '';
position: absolute;
border-style: solid;
display: block;
width: 0;
}
.ui-tooltip-content::after {
bottom: -18px;
left: 30px;
border-color: rgb(41, 41, 41) transparent;
border-width: 10px 10px 0;    
}
a.highlight_tooltip_content,
a.highlight_tooltip_sidebar_mail{
line-height: 20px;
margin:0px 0px 0px 0px;
padding: 0px 5px 0px 5px;
}
.highlight_tooltip_content img,
.highlight_tooltip_sidebar_mail img{
width:25px;
}