Use bootstrap styles.

Better than anything I can do in a short period of time!

static/scss/style.scss

@@ -1,128 +1,3 @@
-@import url('https://fonts.googleapis.com/css?family=Raleway&display=swap');
-$primary-color: lighten(#26c176, 30%);
-
-body {
-    font-family: Raleway, serif;
-}
-
-h1, h2, h3, h4, h5, h6 {
-    margin-bottom: 5px;
-    margin-top: 5px;
-}
-
-.hidden {
-    display: none;
-}
-
-.input-group {
-    width: 100%;
-    display: flex;
-    align-items: center;
-    margin-bottom: 5px;
-
-    span {
-        margin-right: 10px;
-    }
-
-    input {
-        flex-grow: 1;
-    }
-}
-
-input[type="text"] {
-    padding: 5px;
-    border-radius: 5px;
-    border: none;
-    background-color: #efefef;
-
-    &:active, &:focus {
-        background-color: $primary-color;
-        transition: .25s;
-    }
-}
-
-.error {
-    box-sizing: border-box;
-    padding: 5px;
-    border-radius: 5px;
-    margin-bottom: 10px;
-    border: 2px solid tomato;
-    color: tomato;
-}
-
-.note {
-    box-sizing: border-box;
-    padding: 5px;
-    border-radius: 5px;
-    margin-bottom: 10px;
-}
-
-span.success {
-    margin-left: 10px;
-    color: green;
-}
-
-span.failure {
-    margin-left: 10px;
-    color: tomato;
-}
-
-button, input[type="button"] {
-    box-sizing: border-box;
-    border: none;
-    margin-right: 5px;
-    margin-bottom: 5px;
-    display: inline-block;
-    padding: 5px;
-    border-radius: 5px;
-    font-size: 14px;
-
-    &:hover, &:focus {
-        background-color: $primary-color;
-        transition: .25s;
-
-        &:disabled {
-            background-color: lightgrey;
-        }
-    }
-
-}
-
-.cache-model-levels {
-    display: flex;
-    flex-wrap: wrap;
-}
-
-.cache-model {
-    max-width: 600px;
-    padding: 10px;
-    border-radius: 5px;
-    border: 2px solid lightgrey;
-    margin: 5px;
-}
-
-.cache, .cache-model {
-    padding: 10px;
-    border-radius: 5px;
-    border: 2px solid lightgrey;
-    margin: 5px;
-}
-
-.cache-model-hierarchy, .cache-hierarchy, .access-input {
-    margin-bottom: 10px;
-}
-
-table {
-    width: 100%;
-}
-
-tr {
-    &:nth-child(1), &:nth-child(3) {
-        background-color: $primary-color;
-    }
-}
-
-td {
-    text-align: center;
-    padding: 3px;
+.btn-group {
+    width: min-content;
 }