.check{
    position: relative;
    display: inline-block;
}
.check p{
    margin:0;
    padding:0;
}
.description {
    display: none;
    position: absolute;
    padding: 10px;
    font-size: 12px;
    line-height: 1.6em;
    color: #fff;
    border-radius: 5px;
    background: #00913A;
    width: 580px;
}
.description:before {
    content: "";
    position: absolute;
    border: 15px solid transparent;
    top: 10%;
    border-top: 15px solid #00913A;
    margin-left: -35px;
    transform: rotateZ(90deg);
}
.check:hover .description{
    display: inline-block;
    top: 0px;
    left: 0px;
}