fix: placeholder display issue of all signers after save placeholder and login flow

microfrontends/SignDocuments/src/css/customModal.css

@@ -5,11 +5,12 @@
     background-color: rgba(0, 0, 0, 0.75);
     display: flex;
     flex-direction: column;
-     align-items: center;
+    align-items: center;
+    justify-content: center;
 }
 
 .childDiv {
-    width: 50%;
+    width: 40%;
     display: flex;
     flex-direction: column;
     justify-content: center;
@@ -27,7 +28,7 @@
     border-top-left-radius: 0.3rem;
     border-top-right-radius: 0.3rem;
     font-size: 17px;
-    font-weight: 500;
+    font-weight: 400;
 }
 
 .modalBodyDIv {
@@ -48,12 +49,12 @@
 .modalFooterDiv {
     margin: 10px;
     display: flex;
-    justify-content: flex-end;
+    justify-content: flex-start;
 }
 
 @media screen and (max-width:500px) {
     .childDiv {
         margin: 50px 7px;
-        width: 90%;
+        width: 80%;
     }
 }