emergency-message-snippet.php

<?php 
// Show the Emergency Message, if it is set to "Yes".
if( get_field('show_the_emergency_notice') == 'yes' ): ?>

  <div class="emergency">
    <div class="emergency-inner"><?php if ( get_field('icon') ): ?><?php the_field( 'icon' ); ?><?php endif; ?> <?php the_field('emergency_notice'); ?></div>
  </div>

<?php endif; // end of Emergency Message ?>

emergency-message-styles-longform.css

/* For Emergency Messages with longer content. */

.emergency {
    width: 100%;
    height: auto;
    margin: 0 auto;
    background-color: #eb0000;
}

.emergency-inner {
    width: 90%;
    text-align: left;
    color: #FFF !important;
    font-size: 20px;
    line-height: 30px;
    margin: auto;
    padding: 30px 0;
}

.emergency-inner a:link, .emergency-inner a:visited {
    color: #FFFFCC;
    text-decoration: underline;
}

.emergency-inner a:hover {
    color: #FFED77;
}

.emergency-inner p {
    display: block;
    margin: 0px 0px 14px;
}

.emergency-inner p:first-of-type {
    display: inline;
}

.emergency-inner p:nth-of-type(2n) {
    margin: 14px 0 14px;
}


.emergency-inner i.fas {
    color: #FFED77;
    margin-right: 6px;
}

emergency-message-styles.css

/* For Single-line Emergency Messages */

.emergency {
    width: 100%;
    height: auto;
    margin: 0 auto;
    background-color: #eb0000;
}

.emergency-inner {
    width: 90%;
    text-align: center;
    color: #FFF !important;
    font-size: 22px;
    line-height: 30px;
    margin: auto;
    padding: 30px 0;
}

.emergency-inner a {
    color: #FFFFCC;
    text-decoration: underline;
}

.emergency-inner a:hover {
    color: #FFED77;
}

.emergency-inner p {
    display: inline;
}

.emergency-inner i.fas {
    color: #FFED77;
    margin-right: 6px;
}