table{
  width:100%;
  cell-spacing:0px;
}
td{
  border:1px solid;
  padding:10px;
  cell-spacing:0px;
  cell-padding:0px;
}
.popover-item{
  position: relative;
}
.popover-content{
  display:none;
  position: absolute;
  left: 105%;
  display: none;
  font-size: 1.2rem;
  background-color: rgba(230, 230, 230, 1);
  padding: 10px 20px;
  border-radius: 16px;
  font-family: Tahoma, Verdana, Segoe, sans-serif;
  font-weight: normal;
  z-index:111;
  width:300px;
}
.popover-content:hover{
  display:none!important;
}
.popover-item:hover .popover-content{
  display: block;
}
.popover-content h1{
  font-size:20px;
}