jitsi_app_c0/css/_popover.scss

/**
 * Mousemove padding styles are used to add invisible elements to the popover
 * to allow mouse movement from the popover trigger to the popover itself
 * without triggering a mouseleave event.
 */
%vertical-popover-padding {
    height: 100%;
    position: absolute;
    top: 0;
    width: 20px;
    padding: 20px 0;
    top: -20px;
}

%horizontal-popover-padding {
    height: 25px;
    position: absolute;
    right: 0;
    width: 100%;
    padding: 0 35px;
    left: -35px;
}

.popover-mousemove-padding-left {
    @extend %vertical-popover-padding;
    left: -35px;
}

.popover-mousemove-padding-right {
    @extend %vertical-popover-padding;
    right: -35px;
}

.popover-mousemove-padding-bottom {
    @extend %horizontal-popover-padding;
    bottom: -40px;
}

.popover-mousemove-padding-top {
    @extend %horizontal-popover-padding;
    top: -40px;
}

.popover {
    margin: -16px -24px;
    padding: 16px 24px;
    z-index: $popoverZ;
}