Resizeable comment text box on media pop-up screen breaks the layout

//fix comment list overlaps reply box if image is too small
.rtm-comment-list.rtm-comment-list {
  list-style: none;
  padding-bottom: 20px;
}

//fix post-in is not aligned with others next to it
#buddypress #whats-new-options > div {
padding-top: 0px;
}

// hide "SITES" button on member profile
#blogs-personal-li {
display: none;
}

<?php
function bp_xprofile_field_add_placeholder($elements) {
    $attributes = [
        "field_1" => ["placeholder" => "名字"],                 // qq
        "field_69" => ["placeholder" => "QQ号"],                 // qq
        "field_6" => ["placeholder" => "微信号"],                // webchat
        "field_7" => ["placeholder" => "Facebook"],             // Facebook
        "field_39" => ["placeholder" => "Twitter"],             // Twitter
        "field_8" => ["placeholder" => "如：0123456789"],         // mobile
        "field_64" => ["placeholder" => "如：123 Swanstone Street"], // address
        "field_66" => ["placeholder" => "如：墨尔本"],       // city
        "field_65" => ["placeholder" => "如：VIC"],          // state
        "field_67" => ["placeholder" => "如：澳大利亚"]          // nation
    ];

    foreach($attributes as $key => $value) {
        if ($elements["id"] === $key) {
            $elements['placeholder'] = $value["placeholder"];
        }
    }

    return $elements;
}

add_action( 'admin_bar_menu', 'remove_wp_logo', 999 );

function remove_wp_logo( $wp_admin_bar ) {
    $wp_admin_bar->remove_node( 'wp-logo' );
}

/**
 * rearrange menu buttons
 */
function my_change_profile_tab_order() {
    global $bp;
    
    $bp->bp_nav['activity']['position'] = 10;
    $bp->bp_nav['friends']['position'] = 11;
    /**
     * wp follower plugin
     */
    if( isset ($bp->bp_nav['following'])){
        $bp->bp_nav['following']['position'] = 12;
    }

    if( isset ($bp->bp_nav['followers'])){
        $bp->bp_nav['followers']['position'] = 13;
    }
    $bp->bp_nav['messages']['position'] = 14;
    $bp->bp_nav['notifications']['position'] = 15;
    // rtMedia = 16
    $bp->bp_nav['groups']['position'] = 17;
    /**
     * social-article plugin
     */
    if( isset ($bp->bp_nav['articles'])){
        $bp->bp_nav['articles']['position'] = 18;
    }

    //$bp->bp_nav['blogs']['position'] = 70;
    $bp->bp_nav['profile']['position'] = 19;
    $bp->bp_nav['settings']['position'] = 20;
}
add_action( 'bp_setup_nav', 'my_change_profile_tab_order', 999 );

// re-order the rtmedia button
add_action('bp_init','change_media_tab_position', 12);
function change_media_tab_position(){
    global $bp;
    if( isset ($bp->bp_nav['media'])){
        $bp->bp_nav['media']['position'] = 16;
    }
}

/* my members landing tab */
define('BP_DEFAULT_COMPONENT', 'profile' );