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Edit File: editor.min.css

.wp-block-cover.is-placeholder{align-items:stretch;display:flex;min-height:240px;padding:0!important}.wp-block-cover.is-placeholder .components-placeholder.is-large{justify-content:flex-start;z-index:1}.wp-block-cover.is-placeholder:focus:after{min-height:auto}.wp-block-cover.components-placeholder h2{color:inherit}.wp-block-cover.is-transient{position:relative}.wp-block-cover.is-transient:before{background-color:#fff;content:"";height:100%;opacity:.3;position:absolute;width:100%;z-index:1}.wp-block-cover.is-transient .wp-block-cover__inner-container{z-index:2}.wp-block-cover.is-transient .components-spinner{z-index:3}.wp-block-cover .components-spinner{left:50%;margin:0;position:absolute;top:50%;transform:translate(-50%,-50%)}.wp-block-cover .wp-block-cover__inner-container{margin-left:0;margin-right:0;text-align:left}.wp-block-cover .wp-block-cover__placeholder-background-options{width:100%}.wp-block-cover .wp-block-cover__image--placeholder-image{bottom:0;left:0;position:absolute;right:0;top:0}[data-align=left]>.wp-block-cover,[data-align=right]>.wp-block-cover{max-width:420px;width:100%}.block-library-cover__reset-button{margin-left:auto}.block-library-cover__resize-container{bottom:0;left:0;min-height:50px;position:absolute!important;right:0;top:0}.components-popover.block-editor-block-popover.block-library-cover__resizable-box-popover .block-library-cover__resize-container,.components-popover.block-editor-block-popover.block-library-cover__resizable-box-popover .components-popover__content>div{overflow:visible;pointer-events:none}.block-editor-block-patterns-list__list-item .has-parallax.wp-block-cover{background-attachment:scroll}.color-block-support-panel__inner-wrapper>:not(.block-editor-tools-panel-color-gradient-settings__item){margin-top:24px}