nextcloud-server/core/css/public.scss

#body-public {
	--footer-height: calc(2lh + 2 * var(--default-grid-baseline)); // Set the initial value, will be updated programmatically to match the actual height

	.header-right {
		#header-primary-action a {
			color: var(--color-primary-element-text);
		}

		#header-secondary-action {
			ul li {
				min-width: 270px;
			}
			#header-actions-toggle {
				background-color: transparent;
				border-color: transparent;
				filter: var(--background-invert-if-dark);

				&:hover,
				&:focus,
				&:active {
					opacity: 1;
				}
			}
			#external-share-menu-item {
				form {
					display: flex;
				}
				.hidden {
					display: none;
				}
				#save-button-confirm {
					flex-grow: 0;
				}
			}
		}
	}

	#content {
		min-height: var(--body-height, calc(100% - var(--footer-height)));
		padding-block-end: var(--footer-height);
	}

	#app-content-vue {
		padding-block-end: var(--footer-height);
	}

	/** don't apply content header padding on the base layout */
	&.layout-base #content {
		padding-top: 0;
	}

	p.info {
		margin: 20px auto;
		text-shadow: 0 0 2px rgba(0, 0, 0, .4);
		-moz-user-select: none;
		-ms-user-select: none;
		user-select: none;
	}
	p.info, form fieldset legend,
	#datadirContent label,
	form fieldset .warning-info,
	form input[type='checkbox']+label {
		text-align: center;
	}

	/* public footer */
	footer {
		position: fixed;
		bottom: var(--body-container-margin);;
		background-color: var(--color-main-background);
		border-radius: var(--body-container-radius);
		box-sizing: border-box;

		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;

		width: calc(100% - 2 * var(--body-container-margin));
		margin-inline: var(--body-container-margin);
		padding-block: var(--default-grid-baseline);

		.footer__legal-links {
			margin-block-end: var(--default-grid-baseline);
		}

		p {
			text-align: center;
			color: var(--color-text-maxcontrast);
			margin-block: 0 var(--default-grid-baseline);
			width: 100%;

			a {
				display: inline-block;
				font-size: var(--default-font-size);
				font-weight: bold;
				line-height: var(--default-line-height);
				height: var(--default-line-height);
				color: var(--color-text-maxcontrast);
				white-space: nowrap;
			}
		}
	}
}