#btnContainer {
    --btn-container-top: 490px;
    top: var(--btn-container-top);
    background-color: transparent; 
    height: 200px;
}  

@supports (-webkit-touch-callout: none) {
   #btnContainer {
       top: calc(var(--btn-container-top) - 13px);
   }
}

/* #btnLocation, #btnCeremony, #btnReception, #btnConfirm {
  display: visible;
} */

#btnLocation{
    top: 0px;
    left: 1%;
    right: auto;
    width: 50%; 
    height: 100px;
   /*background-color: orange;*/
 }

#btnConfirm {
   top: 65px;
   left: 0%;
   right: auto;
   width: 50%; 
   height: 100px;
   /*background-color: yellow;*/
}