Update css styling of pages in assignments app

widget_alipins/static/assignments/style.css

+.topnav {
+    padding: 10px 30px;
+}
+
 body {
     font-family: sans-serif, Arial, Helvetica;
     color:#2d384e;
     line-height: 2;
+    font-size: 18px;
+}   
+
+input, select, textarea {
+    font-family: sans-serif, Arial, Helvetica;
+    font-size: 18px;
+    color:#2d384e;
+    line-height: 2;
+    border-radius: 10px;
+    border: 1px solid #2d384e;
+    padding: 2px 10px;
+    margin: 8px 0px;
+}
+
+textarea{
+    resize: vertical;
+    width: 95%;
+    height: 30vh;
+    display: block;
 }
 
 div {
     margin: auto;
     width: 50%;
     border: 3px solid rgb(194, 129, 7);
+    border-radius: 20px;
     padding: 30px 40px 40px 40px;
 }
 
 h1 {
+    margin: 10px;
     font-size: 40px;
     text-align: center;
     text-decoration: underline;
@@ -45,4 +70,22 @@ span.passing {
 img {
     max-width: 100%;
     height: auto;
+}
+
+input[type=submit], button {
+    width: 100%;
+    background-color: #60f0ad;
+    padding: 5px;
+    margin: 12px 0px 0px 0px;    
+    border: none;
+    border-radius: 20px;
+    cursor: pointer;
+    font-family: sans-serif, Arial, Helvetica;
+    font-size: 18px;
+    color:#2d384e;
+    line-height: 2;
+}
+
+input[type=submit]:hover , button:hover{
+    background-color: #5bda9e;
 }
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