* {
    margin: 0;
    padding: 0;
}

img {
    width: 100%;
    height: 100%;
}

body {
    max-width: 540px;
    margin: 0 auto;
    background: #fcfbfb;

}

.main {
    padding: 0 5%;
}

.msg {
    background: #fff;
    height: 450px;
    width: 100%;
    min-width: 300px;
    margin-top: 35%;
    border-radius: 8px;
    box-shadow: 2px 2px 10px #999;
}

@media screen and (max-width: 340px) {
    .msg {
        height: 350px;
    }
}

@media screen and (min-width: 450px) {
    .msg {
        height: 600px;
    }
}

.staff_msg {
    display: flex;
    padding: 20px;
    flex: 0 0 32%;
}

.staff_profile > img {
    width: 100%;
    height: 100%;
    border-radius: 5px;
}

.staff_name {
    flex: 0 0 68%;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.staff_name > div:first-child {
    font-size: 18px;
    font-weight: bold;
}

.authentication {
    font-size: 14px;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: start;
}

.qr_code {
    width: 70%;
    margin: 0 auto;
    border: 1px solid gainsboro;
    border-radius: 5px;
}

.qr_code > img {
    border-radius: 5px;
}

.long_tap {
    text-align: center;
    margin-top: 20px;
    color: red;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 2px;
}

.long_tap_text {
    text-align: center;
    margin-top: 5px;
}

.long_tap_text1 {
    color: orange;
    font-size: 16px;
}

.long_tap_text2 {
    color: black;
    font-size: 15px;
}