.kb-icon, .sp-icon, .abt-icon, .pp-icon{
   width: 20px;
   margin: 4px;
   cursor: pointer;
}
.icon{
    position: relative;
}
.icon:hover{
    border: 1px solid rgb(161, 161, 161);
    border-radius: 50%;
}
.icon:hover .tool-tip{
    opacity: 1;
    bottom: -30px;
    font-size: 10px;
    transition: .5s;
}