Style the fsrs params input (#3997)

* style textarea and date inputs

* remove redundant date input styling

ts/lib/sass/base.scss

@@ -75,6 +75,9 @@ input[type="radio"],
 input[type="checkbox"] {
     cursor: pointer;
 }
+
+textarea,
+input[type="date"],
 input[type="text"] {
     border-radius: prop(border-radius);
     outline: none;

ts/routes/deck-options/DateInput.svelte

@@ -29,10 +29,5 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         width: 100%;
         -webkit-appearance: none;
         appearance: none;
-        background: var(--canvas-inset);
-        border: 1px solid var(--border);
-        border-radius: var(--border-radius);
-        padding: 1px 0.5em;
-        outline: none !important;
     }
 </style>