nextcloud-server/core/css/public.scss

#body-public {
	.header-right {

		#header-primary-action a {
			color: $color-primary-text;
		}

		.menutoggle,
		#header-primary-action[class^='icon-'] {
			padding: 14px;
			padding-right: 40px;
			background-position: right 15px center;
			color: $color-primary-text;
			cursor: pointer;
		}

		#header-secondary-action {
			margin-right: 13px;

			ul li {
				min-width: 270px;
			}
			#save-external-share {
				form {
					display: flex;
					margin: 0;
				}
				.hidden {
					display: none;
				}
				#save-button-confirm {
					flex-grow: 0;
				}
			}
		}
	}

	#content {
		height: initial;
		min-height: calc(100vh - 160px);
	}

	/* force layout to make sure the content element's height matches its contents' height */
	.ie #content {
		display: inline-block;
	}
}