.container-pqrs {
        display:block;
        color:#fff;
        margin-right: 20px;
        position: fixed;
        left:20px;
        bottom:20px;
        border-radius:60%;
        line-height:30px;
        text-align:center;
        z-index:999;
        cursor: pointer;
        transition: all 0.3s ease-in-out;
}

.container-pqrs:hover {
  transform: scale(1.2);
}

.container-pqrs span {
  display: none;
}

.container-pqrs:hover span {
  display: block;
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  padding: 4px 8px;
  background-color: #8c8c8c;
  color: #fff;
  line-height: normal;
  border-radius: 3px;
  font-size: 12px;
  white-space: nowrap;
  margin-left:10px;
}