.welcome-pt-overlay{opacity:0;visibility:hidden;position:fixed;top:0;left:0;right:0;bottom:0;overflow-y:auto;-webkit-overflow-scrolling:touch;background-color:rgba(0,0,0,.5);z-index:8000;transition:all 0.3s}

.welcome-pt-message{
opacity:0;
visibility:hidden;
width:100%;
max-width:500px;
position:fixed;
top:50%;
right:20px; /* было left:50% */
left:auto;  /* добавлено */
transform:translateY(-50%); /* было translate(-50%,-50%) */
z-index:8001;
box-shadow:0 11px 15px -7px rgb(0 0 0 / 20%),0 24px 38px 3px rgb(0 0 0 / 14%),0 9px 46px 8px rgb(0 0 0 / 12%);
text-align:center;
padding:30px;
margin:16px 0;
border-radius:4px;
background-color:#fff;
box-sizing:border-box;
transition:all 0.3s
}

@media (max-width:532px){
.welcome-pt-message{
width:auto;
left:16px;
right:16px;
transform:translateY(-50%) /* было translate(0,-50%) */
}
}

.is-active.welcome-pt-overlay,.is-active .welcome-pt-message{opacity:1;visibility:visible}

.site-form-title{text-align:center;margin-bottom:20px;font-size:36px;line-height:40px;font-weight:300;color:#3d424b}

@media (max-width:532px){
.site-form-title{margin-bottom:14px;font-size:30px;line-height:36px}
}

.site-form-text{font-size:16px;line-height:20px;margin-top:0}

.site-form-buttons{display:flex;justify-content:center;margin-top:32px}

.welcome-pt-close{height:50px;line-height:50px;min-width:180px;padding:0 32px;border:none;font-size:16px;white-space:nowrap;color:#fff;cursor:pointer;text-decoration:none;border-radius:5px;background-color:#0836ff;transition:all 0.3s ease 0s;display:inline-block;margin:0;text-transform:uppercase;letter-spacing:.02em;box-sizing:border-box;text-align:center;box-shadow:0 3px 1px -2px rgb(0 0 0 / 20%),0 2px 2px 0 rgb(0 0 0 / 14%),0 1px 5px 0 rgb(0 0 0 / 12%)}

.welcome-pt-close:hover{background-color:#0435c9}