.b-popup{
    width:100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    overflow:hidden;
    position:fixed;
    top:0px;
}
.b-popup .b-popup-content{
    margin: 20% auto 0px auto;
    width: 20%;
    padding:10px;
    background-color: #c5c5c5;
    border-radius:5px;
    box-shadow: 0px 0px 10px #000;
}
.buttons{
  display: flex;
  justify-content: center;
}