Chat/src/components/ChatPageHeader/ChatPageHeader.style.js

import styled from "styled-components";

export const ChatPageHeaderWrap = styled.div`
    box-sizing: border-box;
    position: relative;
    z-index: 2;
    width: 100%;
    height: 54px;
    background-color: #fff;
    border-bottom: 1px solid #e9e9e9;
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
`;

export const ChatMembersAmount = styled.div`
    position: relative;
    color: #a1a1a1;
    font-size: 13px;
`;