.act-btn{
      background:green;
      display: block;
      width: 50px;
      height: 50px;
      line-height: 50px;
      text-align: center;
      color: white;
      font-size: 30px;
      font-weight: bold;
      border-radius: 50%;
      -webkit-border-radius: 50%;
      text-decoration: none;
      transition: ease all 0.3s;
      position: absolute;
      right: 30px;
      bottom:30px;
    }
.act-btn:hover{background: blue}