frappe/frappe/public/scss/website/error-state.scss

.error-page {
	text-align: center;

	.img-404 {
		width: 40%;
		margin: var(--margin-2xl) auto;

		@include media-breakpoint-down(sm) {
			width: 80%
		}
	}

	.back-to-home {
		font-size: var(--text-base);
	}
}