style compatibility

static_src/mail_signature.js

@@ -98,8 +98,8 @@ const generateSignature = () => {
         result += "<div style=\"margin-bottom:0.75em;line-height:1.1em\">";
         
         if (email !== "") {
-            result += `<div style="display:flex;column-gap:0.4em;margin-bottom:0.25em">
-                       <img src="${(!useExternalImages) ? emailDataURL : emailImageURL}" title="E-mail" width="15">
+            result += `<div style="margin-bottom:0.25em">
+                       <img style="display:inline-block" src="${(!useExternalImages) ? emailDataURL : emailImageURL}" title="E-mail" width="15">&nbsp;&nbsp;
                        <span style="color:black">${email}</span>
                        </div>`;
         }
@@ -111,8 +111,8 @@ const generateSignature = () => {
             const formattedBasePhone = phoneGroups.join(" ");
             const prefix = $("#phone-prefix").val();
             
-            result += `<div style="display:flex;column-gap:0.4em;margin-bottom:0.25em">
-                       <img src="${(!useExternalImages) ? phoneDataURL : phoneImageURL}" title="Telefonní číslo" height="15" style="height:15px">
+            result += `<div style="margin-bottom:0.25em">
+                       <img style="display:inline-block" src="${(!useExternalImages) ? phoneDataURL : phoneImageURL}" title="Telefonní číslo" width="11">&nbsp;&nbsp;
                        <span style="color:black">${prefix}&nbsp;${formattedBasePhone}</span>
                        </div>`;
         }