openmct/platform/commonUI/general/res/sass/_messages.scss

/* Styles for messages and message banners */

.message {
	&.block {
		@include border-radius($basicCr);
		padding: $interiorMarginLg;
	}
	&.error {
		background-color: rgba($colorAlert,0.3);
		color: lighten($colorAlert, 20%);
	}
}

.l-message-banner {
    @include ellipsize();
    display: block;
    position: absolute;
    top: $interiorMargin; right: auto; bottom: $interiorMargin; left: 50%;
    height: auto; width: auto;
    //line-height: $ueFooterH;
    max-width: 300px;
    padding: 0 $interiorMarginLg;
    @include transform(translateX(-50%));
    .s-btn {
        height: auto !important;
    }
}

.s-message-banner {
    @include border-radius($basicCr);
    background-color: #999;
    color: black;
}