.codeless-add-purchase-button{
    position:fixed;
    right:19px;
    bottom:100px;
    display:flex;
    align-items:center;
    z-index:99;
    text-decoration:none;
}

.codeless-add-purchase-button i.icon{
    position:relative;
    width:50px;
    height:50px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#6164ff;
    border-radius:50%;

    /* আপনার original button shadow */
    box-shadow:0 2px 4px rgba(0,0,0,.07);
}

.codeless-add-purchase-button i.icon svg{
    width:30px;
    height:30px;
}

.codeless-add-purchase-button i.icon svg path{
    fill:#fff;
}

.codeless-add-purchase-button i.icon:after{
    content:"";
    position:absolute;
    top:-8px;
    left:-8px;
    width:66px;
    height:66px;
    background:rgba(97,100,255,.28);
    border-radius:50%;
    z-index:-1;
    animation:pulse 4s ease-in-out infinite;
}

@keyframes pulse{
    0%{
        transform:scale(.95);
        opacity:0;
    }

    35%{
        transform:scale(1.18);
        opacity:.7;
    }

    100%{
        transform:scale(.95);
        opacity:0;
    }
}

@media (max-width:768px){
    .codeless-add-purchase-button{
        bottom:110px;
    }
}

.rtl .codeless-add-purchase-button{
    right:auto;
    left:19px;
}