--- a
+++ b/docs/_static/style.css
@@ -0,0 +1,221 @@
+:root {
+    --text-align: justify;
+    --pst-font-size-base: 16px;
+    --pst-font-size-milli: 13px;
+    --pst-font-family-base: 'Source Sans Pro', var(--pst-font-family-base-system);
+    --pst-font-family-heading: var(--pst-font-family-base);
+    --pst-font-family-monospace: 'Source Code Pro', var(--pst-font-family-monospace-system);
+}
+
+html[data-theme="light"] {
+    ---color-github: #000;
+    --braindecode-color-discourse: #000;
+    --braindecode-color-discord: #5865F2;
+    --braindecode-color-twitter: #55acee;
+    --pst-color-border-rgba: rgba(0, 0, 0, 0.125);
+    --pst-color-background-rgba: rgba(0, 0, 0, 0.03);
+    --pst-color-primary-rgba: rgba(69, 157, 185, 0.2);
+    --pst-color-secondary-rgba: rgba(238, 144, 64, 0.2);
+    --copybtn-opacity: 0.75;
+    /* sphinx-gallery overrides */
+    --sg-download-a-background-color: var(--pst-color-primary);
+    --sg-download-a-background-image: unset;
+    --sg-download-a-border-color: var(--pst-color-border-rgba);
+    --sg-download-a-color: #fff;
+    --sg-download-a-hover-background-color: var(--pst-color-secondary);
+    --sg-download-a-hover-box-shadow-1: none;
+    --sg-download-a-hover-box-shadow-2: none;
+}
+html[data-theme="dark"] {
+    --braindecode-color-github: #fff;
+    --braindecode-color-discourse: #FFF9AE;  /* color taken from their logo SVG */
+    --braindecode-color-discord: #fff;
+    --braindecode-color-twitter: #55acee;
+    --pst-color-border-rgba: rgba(201, 201, 201, 0.25);
+    --pst-color-background-rgba: rgba(255, 255, 255, 0.08);
+    --pst-color-primary-rgba: rgba(69, 157, 185, 0.3);
+    --pst-color-secondary-rgba: rgba(238, 144, 64, 0.3);
+    --copybtn-opacity: 0.25;
+    /* sphinx-gallery overrides */
+    --sg-download-a-background-color: var(--pst-color-primary);
+    --sg-download-a-background-image: unset;
+    --sg-download-a-border-color: var(--pst-color-border-rgba);
+    --sg-download-a-color: #fff;
+    --sg-download-a-hover-background-color: var(--pst-color-secondary);
+    --sg-download-a-hover-box-shadow-1: none;
+    --sg-download-a-hover-box-shadow-2: none;
+}
+
+/* ************************************************************ Sphinx fixes */
+dl.field-list {
+    grid-template-columns: auto 1fr;
+}
+
+/* ********************************************************** Sphinx-gallery */
+
+/* backreference links: restore hover decoration that SG removes */
+a.sphx-glr-backref-instance:hover {
+    text-decoration: underline;
+}
+/* backreference links: make non-Brainde func/meth calls resemble regular code */
+a[class^="sphx-glr-backref-module"] {
+    color: rgb(var(--pst-color-text-base));
+}
+/* backreference links: make Braindecode calls bold and colorful */
+a[class^="sphx-glr-backref-module-braindecode"] {
+    font-weight: 600;
+    color: rgb(var(--pst-color-link));
+}
+/* suppress redundant note at top of every tutorial and signature at the end */
+div.sphx-glr-download-link-note,
+p.sphx-glr-signature {
+    visibility: hidden;
+    height: 0;
+    margin: 0;
+    padding: 0;
+}
+/* script/notebook download buttons */
+.sphx-glr-download a.download {
+    /* ↓↓↓↓↓↓↓ these two rules copied from sphinx-design */
+    box-shadow: 0 .125rem .25rem var(--sd-color-shadow) !important;
+    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
+}
+/* Report embedding */
+iframe.sg_report {
+    width: 95%;
+    height: 70vh;
+    margin: 20px auto;
+    display: block;
+    border-style: solid;
+}
+/* Disable thumbnail tooltips on hover */
+.sphx-glr-thumbcontainer[tooltip]:hover::before,
+.sphx-glr-thumbcontainer[tooltip]:hover::after {
+    display: none;
+}
+
+/* ******************************** make HTML'd pandas dataframes scrollable */
+table.dataframe {
+    display: block;
+    overflow: auto;
+}
+
+/* ********************************* Long API titles need to wrap for mobile */
+div[id^="braindecode-"] h1,
+div[id^="examples-using-"] h2 {
+    word-break: break-word;
+}
+
+/* ******************************************* in-text sidebar callout boxes */
+div.sidebar,
+aside.sidebar {
+    background-color: var(--pst-color-primary-rgba);
+    border-color: rgb(var(--pst-color-info));
+}
+
+/* **************************************************************** homepage */
+img.logo {
+    max-width: 500px;
+    width: 100%;
+}
+
+/* ************************************* homepage quick links & funders list */
+ul.quicklinks {
+    font-weight: 600;
+}
+ul.quicklinks a:hover {
+    text-decoration: none;
+}
+ul.funders li {
+    margin-left: 36px;
+    text-indent: -36px;
+    padding-bottom: 9px;
+}
+ul.funders li img {
+    width: 30px;
+    max-height: 24px;
+    object-fit: contain;
+}
+
+/* these two also affect collapsible divs */
+h5.card-header {
+    margin-top: 0px;
+    margin-bottom: 0px;
+}
+h5.card-header::before {
+    height: 0px;
+    margin-top: 0px;
+}
+
+/* ******************************************************** version dropdown */
+.dropdown {
+    padding: 0 .5rem;  /* match other items in the hamburger menu */
+}
+.dropdown-toggle {
+    font-weight: 600;
+}
+
+/* ********************************************* sphinx-design compatibility */
+.sd-dropdown {
+    border: 1px solid var(--pst-color-border-rgba) !important;
+    box-shadow: 1px 1px 1px var(--pst-color-shadow);
+}
+.sd-card-header {
+    border-bottom: 1px solid var(--pst-color-border-rgba) !important;
+    background-color: var(--pst-color-background-rgba) !important;
+}
+.sd-card-footer {
+    border-top: 1px solid var(--pst-color-border-rgba) !important;
+    background-color: var(--pst-color-background-rgba) !important;
+}
+p.btn a {
+    color: unset;
+}
+/* remove this when
+   https://github.com/pydata/pydata-sphinx-theme/issues/733 is addressed
+   ↓↓↓↓↓↓↓↓↓ */
+.sd-btn-primary {
+    background-color: var(--pst-color-link) !important;
+    border-color: var(--pst-color-link) !important
+}
+.sd-btn-primary:hover {
+    background-color: var(--pst-color-link-hover) !important;
+    border-color: var(--pst-color-link-hover) !important
+}
+
+/* ****************************************************** navbar quick links */
+
+#navbar-icon-links i.fa-github-square::before {
+    color: var(--braindecode-color-github);
+}
+#navbar-icon-links i.fa-twitter-square::before {
+    color: var(--braindecode-color-twitter);
+}
+#navbar-icon-links i.fa-discourse::before {
+    color: var(--braindecode-color-discourse);
+}
+#navbar-icon-links i.fa-discord::before {
+    color: var(--braindecode-color-discord);
+}
+/* *********************************************************** contrib guide */
+ul.icon-bullets {
+    list-style-type: none;
+    padding-left: 2em;
+    text-indent: -1.5em;
+}
+.small-stack {
+    font-size: 0.5em;
+}
+/* *********************************************************** copy button */
+button.copybtn {
+    /* always show; https://sphinx-copybutton.readthedocs.io/en/latest/use.html#modify-the-copy-button-s-css */
+    opacity: var(--copybtn-opacity);
+ }
+
+/* *********************************************************** miscellaneous */
+.hidden {
+    display: none;
+}
+img.hidden {
+    visibility: hidden;
+}