Update main.css

assets/main.css

@@ -86,3 +86,42 @@ form button:active{
     background:#36923b;
     color: #fff;
 }
+.download-area{
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  margin-top: -100px;
+  margin-left: -250px;
+  width: 500px;
+  height: 200px;
+  border: 2px dashed #353535;
+}
+.download-area p{
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  margin-top: -20vh;
+  text-align: center;
+  color: #ffffff;
+  z-index: -1;
+}
+.download-btn{
+    margin: 0;
+    color: #fff;
+    background: #2d2d2d;
+    border: none;
+    width: 508px;
+    height: 35px;
+    margin-top: 15px;
+    margin-left: -4px;
+    border-radius: 4px;
+    border-bottom: 4px solid #252525;
+    transition: all .2s ease;
+    outline: none;
+}
+.download-btn:hover{
+  background: #383838;
+}
+.download-btn:active{
+  border:0;
+}