wp-m365-login/assets/css/login.css

/* M365 Login – login screen button */
.m365-login {
	--m365-bg: #2f2f2f;
	--m365-bg-hover: #1a1a1a;
	--m365-color: #ffffff;
	--m365-border: #2f2f2f;
	--m365-radius: 4px;
	margin: 0 0 16px;
}

.m365-login--below {
	background: #fff;
	padding: 0 24px 26px;
	margin: -1px 0 0;
	border: 0;
	box-shadow: none;
}

/* No frame around the login box: neither around the form nor around the Microsoft block. */
body.m365-login-page #loginform,
body.m365-login-attached #loginform {
	border: 0;
	box-shadow: none;
}

.m365-login--above {
	background: #fff;
	padding: 24px;
	margin: 20px 0 0;
	border: 0;
	box-shadow: none;
}

.m365-login--above .m365-login__divider {
	margin: 22px 0 0;
}

.m365-login__divider {
	position: relative;
	text-align: center;
	margin: 0 0 22px;
	color: #646970;
	font-size: 13px;
	line-height: 1;
}

.m365-login__divider::before {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: 50%;
	height: 1px;
	background: #dcdcde;
}

.m365-login__divider span {
	position: relative;
	background: #fff;
	padding: 0 12px;
	text-transform: lowercase;
}

.m365-login__button {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	box-sizing: border-box;
	width: 100%;
	min-height: 44px;
	padding: 10px 16px;
	background: var(--m365-bg);
	color: var(--m365-color);
	border: 1px solid var(--m365-border);
	border-radius: var(--m365-radius);
	font-size: 15px;
	font-weight: 600;
	line-height: 1.3;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.m365-login__button:hover,
.m365-login__button:focus {
	background: var(--m365-bg-hover);
	color: var(--m365-color);
	text-decoration: none;
}

.m365-login__button:focus {
	outline: none;
	box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--m365-bg-hover);
}

.m365-login__button:active {
	transform: translateY(1px);
}

.m365-login__icon {
	flex: 0 0 auto;
	width: 20px;
	height: 20px;
	display: block;
	background: #fff;
	padding: 3px;
	box-sizing: content-box;
	border-radius: 2px;
}

.m365-login__label {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.m365-login--shortcode {
	padding: 0;
	border: 0;
	background: transparent;
	max-width: 360px;
}

/* Button-only mode: the password form is hidden until the fallback key is used. */
body.m365-button-only #loginform,
body.m365-button-only #nav,
body.m365-button-only a[href*="action=lostpassword"],
body.m365-button-only .wp-login-lost-password {
	display: none !important;
}

body.m365-button-only .m365-login--below,
body.m365-button-only .m365-login--above {
	margin-top: 20px;
	padding: 26px 24px;
	border: 0;
	box-shadow: none;
}

/* Custom login pages: wp_login_form() injection, shortcode and template function. */
.m365-login--form {
	margin: 16px 0 0;
	padding: 0;
	border: 0;
	background: transparent;
}

/* On unknown backgrounds the divider uses flex lines instead of an absolute line behind the text. */
.m365-login--form .m365-login__divider,
.m365-login--shortcode .m365-login__divider {
	display: flex;
	align-items: center;
	gap: 12px;
	margin: 0 0 16px;
}

.m365-login--form .m365-login__divider::before,
.m365-login--shortcode .m365-login__divider::before,
.m365-login--form .m365-login__divider::after,
.m365-login--shortcode .m365-login__divider::after {
	content: "";
	position: static;
	flex: 1 1 auto;
	height: 1px;
	background: #dcdcde;
}

.m365-login--form .m365-login__divider span,
.m365-login--shortcode .m365-login__divider span {
	position: static;
	padding: 0;
	background: transparent;
}

.m365-login__notice {
	box-sizing: border-box;
	margin: 0 0 16px;
	padding: 12px 14px;
	border-left: 4px solid #72aee6;
	background: #fff;
	color: #1d2327;
	font-size: 14px;
	line-height: 1.5;
	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
}

.m365-login__notice--error {
	border-left-color: #d63638;
}

.m365-login__notice--message {
	border-left-color: #00a32a;
}

.m365-login__hidden-fields {
	display: none !important;
}