header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10px;
    background-color: #f2f2f2;
}

.header-left img {
    height: 40px;
    margin-right: 20px;
}

.header-left img:nth-child(2) {
    height: 25px;
}

.header-right {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.header-right a {
    text-decoration: none;
    color: black;
    margin: 1em;
    cursor: pointer;
}

.header-right p {
    color: black;
    margin: 1em;
    cursor: pointer;
}

@media screen and (max-width: 800px) {
    .notDisplay {
        display: none;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-left img {
        margin-right: 0;
        margin-bottom: 10px;
    }

    .header-right {
        flex-direction: column;
        align-items: flex-start;
    }
}