ethanyoo.com/themes/geronimo/layouts/partials/search.html

<!-- layouts/partials/search.html -->
<form id="search-form" class="noscript" method="GET" action="https://duckduckgo.com/" data-language-prefix="{{ site.LanguagePrefix }}">
	<div class="search-bar">
		<input id="search-input" class="search--display" name="q" tabindex="0" autocomplete="off" {{ with site.BaseURL }}value=" site:{{ . }}"{{ end }} placeholder="{{ i18n "search" }}">
		<input id="search-submit" class="icon" type="submit" value="⌕">
	</div>
	<ul id="search-results" class="search--display"></ul>
</form>
<!-- <script src="{{ "/scripts/fuse.js" | relURL }}"></script> -->
<script src="{{ "/js/fixedsearch.js" | relURL }}"></script>

<style>
	#search-form {
		display: block;
		position: fixed;
		top: 0;
		right: 0;
		margin: 0;
		padding: 0;
		min-width: var(--icon-size, 1.2rem);
		max-width: 15rem;
		max-height: 100vh;
		z-index: 1000;
	}

	#search-form.search--display,
	#search-form[data-focus='false'] .search--display {
		display: none;
	}

	#search-form[data-focus='true'] .search--display {
		display: block;
	}

	#search-form .search-bar {
		display: flex;
		height: 1.4rem;
		align-items: center;
	}

	#search-form .search-bar {
		background: rgb(var(--page-color, '240,240,240'));
		color: rgb(var(--text-color, '3,3,3'));
	}

	#search-form[data-focus='true'] .search-bar {
		border: 2.5px solid rgb(var(--accent-color, '0,0,255'));
	}

	#search-form[data-focus='true'] .search-bar:not(:focus-within) {
		background: rgb(var(--text-color, '3,3,3'));
		color: rgb(var(--page-color, '240,240,240'));
		border-color: rgb(var(--text-color, '3,3,3'));
	}

	#search-input {
		display: block;
		padding: 0.3rem;
		width: 15rem;
		max-width: 100vw;
		height: 100%;

		background: inherit;
		border: none;
		color: inherit;
		outline: none;
		text-align: left;

		font-size: var(--s-2, 0.8rem);
	}

	#search-submit {
		display: block;
		margin: 0 var(--icon-pad, 0.1rem) 0 0;
		padding: 0;
		width:       var(--icon-size, 1.2rem);
		height:      var(--icon-size, 1.2rem);
		line-height: var(--icon-size, 1.2rem);

		background: inherit;
		color: inherit;
	}

	#search-submit:hover,
	#search-submit:focus {
		color: rgb(var(--accent-color, '0,0,255'));
	}

	#search-results {
		display: block;
		flex-grow: 2;
		margin: 0.5px 0 0 0;
		padding: 0;
		max-height: calc(100vh - 1.4rem - 0.5px);
		width: 100%;
		overflow-x: hidden;
		overflow-y: auto;

		backdrop-filter: blur(var(--page-color-blur, 2px));
		border: 2.5px solid;
		color: rgb(var(--text-color, '3,3,3'));
		font-size: var(--s-2, 0.8rem);

		scrollbar-color: rgb(var(--text-color, '3,3,3')) rgb(var(--page-color, '240,240,240')) !important;
		scrollbar-width: thin !important;
	}

	#search-results:empty {
		display: none;
		opacity: 0;
	}

	#search-results li {
		margin: 0;
		width: 100%;

		background-color: rgba(var(--page-color, '240,240,240'), var(--page-color-transparency, 0.89));
		border-top: 0.5px dashed;
		list-style: none;
	}
		#search-results li:first-child {
			border: none;
		}

	#search-results a {
		display: block;
		padding: 0.3rem;
		display: block;

		text-decoration: none;
	}

	#search-results a:hover,
	#search-results a:focus {
		background: rgb(var(--text-color, '3,3,3'));
		color: rgb(var(--page-color, '240,240,240'));
		outline: 0;
	}

	#search-results a:active {
		background: rgb(var(--accent-color, '0,0,255'));
		color: rgb(var(--page-color, '240,240,240'));
	}

	#search-results li span:empty {
		display: none;
	}

	#search-results li span:not(:last-child)::after {
		content: ' – ';
	}

	#search-results li .title {
		display: block;
		margin-bottom: calc(var(--line-height, 1.4em)/3);
	}

	#search-results li .title::after {
		display: none;
	}
</style>