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Edit File: wp-auth-check.css
/*------------------------------------------------------------------------------ Interim login dialog ------------------------------------------------------------------------------*/ #wp-auth-check-wrap.hidden { display: none; } #wp-auth-check-wrap #wp-auth-check-bg { position: fixed; top: 0; bottom: 0; left: 0; right: 0; background: #000; opacity: 0.7; filter: alpha(opacity=70); z-index: 1000010; /* needs to appear above .notification-dialog */ } #wp-auth-check-wrap #wp-auth-check { position: fixed; left: 50%; overflow: hidden; top: 40px; bottom: 20px; max-height: 415px; width: 380px; margin: 0 0 0 -190px; padding: 30px 0 0; background-color: #f0f0f1; z-index: 1000011; /* needs to appear above #wp-auth-check-bg */ box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3); } @media screen and (max-width: 380px) { #wp-auth-check-wrap #wp-auth-check { left: 0; width: 100%; margin: 0; } } #wp-auth-check-wrap.fallback #wp-auth-check { max-height: 180px; overflow: auto; } #wp-auth-check-wrap #wp-auth-check-form { height: 100%; position: relative; overflow: auto; -webkit-overflow-scrolling: touch; } #wp-auth-check-form.loading:before { content: ""; display: block; width: 20px; height: 20px; position: absolute; left: 50%; top: 50%; margin: -10px 0 0 -10px; background: url(../images/spinner.gif) no-repeat center; background-size: 20px 20px; transform: translateZ(0); } @media print, (min-resolution: 120dpi) { #wp-auth-check-form.loading:before { background-image: url(../images/spinner-2x.gif); } } #wp-auth-check-wrap #wp-auth-check-form iframe { height: 98%; /* Scrollbar fix */ width: 100%; } #wp-auth-check-wrap .wp-auth-check-close { position: absolute; top: 5px; right: 5px; height: 22px; width: 22px; color: #787c82; text-decoration: none; text-align: center; } #wp-auth-check-wrap .wp-auth-check-close:before { content: "\f158"; font: normal 20px/22px dashicons; speak: never; -webkit-font-smoothing: antialiased !important; -moz-osx-font-smoothing: grayscale; } #wp-auth-check-wrap .wp-auth-check-close:hover, #wp-auth-check-wrap .wp-auth-check-close:focus { color: #2271b1; } #wp-auth-check-wrap .wp-auth-fallback-expired { outline: 0; } #wp-auth-check-wrap .wp-auth-fallback { font-size: 14px; line-height: 1.5; padding: 0 25px; display: none; } #wp-auth-check-wrap.fallback .wp-auth-fallback, #wp-auth-check-wrap.fallback .wp-auth-check-close { display: block; }