.tbpopup .tboverlay {
        position: fixed;
        top: 0px;
        left: 0px;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.7);
        z-index: 1;
        display: none;
    }
    
    .tbpopup .tbcontent {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0);
        background: #fff;
        max-width: 700px;
        z-index: 2;
        text-align: center;
        padding: 20px;
        box-sizing: border-box;
        font-family: "Open Sans", sans-serif;
        border-radius: 20px;
        display: block;
        position: fixed;
        box-shadow: 0px 0px 10px #111;
    }
    
    @media (max-width: 700px) {
        .tbpopup .tbcontent {
            width: 90%;
        }
    }
    
    .tbpopup .tbclose-btn {
        cursor: pointer;
        position: absolute;
        right: 20px;
        top: 20px;
        width: 35px;
        height: 35px;
        color: #ff4444;
        font-size: 30px;
        font-weight: 600;
        line-height: 35px;
        text-align: center;
        border-radius: 50%;
    }
    
    .tbpopup.active .tboverlay {
        display: block;
    }
    
    .tbpopup.active .tbcontent {
        transition: all 300ms ease-in-out;
        transform: translate(-50%, -50%) scale(1);
    }
    
    .tbbuttom {
        background: #00cc00;
        color: #fff
    }
    .a{
        text-align: center;
}