.float {
    position: fixed;
    width: 8%;
    height: 10%;
    bottom: 70%;
    right: 10px;
    display: block;
    z-index: 150;
}

.sticky_float {
    width: 100%;
}


.my-float {
    margin-top: 22px;
}

#additional_section_HK {
    background-color: #fff0;
}

@media only screen and (min-device-width : 834px) and (max-device-width : 1112px) and (orientation : portrait) and (-webkit-min-device-pixel-ratio: 2) {
    .float {
        z-index: 150;
        bottom: 140px;
        right: 10px;
        width: 150px;
    }

    .additional_banner_HK {
        width: 100%;
    }
}

@media only screen and (min-device-width : 834px) and (max-device-width : 1112px) and (orientation : landscape) and (-webkit-min-device-pixel-ratio: 2) {
    .float {
        z-index: 150;
        bottom: 175px;
        right: 20px;
        width: 15%;
    }
}

@media (max-width: 480px) {
    .float {
        position: fixed;
        width: 120px;
        height: 100px;
        bottom: 200px;
        right: 20px;
        z-index: 150;
    }

    .additional_banner_HK {
        width: 100%;
    }

    #additional_section_HK {
        min-height: 250px;
    }
}