add proposal modal

src/sass/main.scss

@@ -697,6 +697,10 @@ ul.manage li {
   padding-top: 20px;
 }
 
+.p50t {
+  padding-top: 50px;
+}
+
 .p10 {
   padding: 10px;
 }
@@ -864,6 +868,7 @@ ul.manage li {
   background: #fff;
   width: 100%;
   padding-top: 60px;
+  padding-bottom: 20px;
   position: relative;
 }
 
@@ -1975,10 +1980,8 @@ to prevent collapsing during animation*/
 
 .modal-content {
   position: relative;
-  overflow-y: auto;
   height: 100%;
   width: 100%;
-  padding-bottom: 50px;
   -webkit-transform: translate3d(0, 0, 0);
   background: #f6f7f9;
 }
@@ -2055,7 +2058,7 @@ body.modal-open {
 
 .payment-proposal-head {
   color: #fff;
-  padding: 0 10px 20px 10px;
+  padding: 40px 10px 20px 10px;
   text-align: center;
 }