@media all and (min-height:100px) and (max-height: 450px){
    #create-group, #edit-remark, #add-friend-div, #permission-join {
         width: 75rem;
         height: 90%;
         background: rgba(255,255,255,1);
         border-radius: 0.94rem;
    }
    .header_tip_font {
        justify-content: center;
        text-align: center;
        margin-top: 5rem;
        height: 3.75rem;
        font-size: 2.63rem;
        color: rgba(76,59,177,1);
        line-height: 3.75rem;
    }

    #group-invite-people {
        width: 62rem;
        height: 90%;
        display: flex;
        align-items: stretch;
    }

    #group-remove-people {
        width: 39rem;
        height:90%;
        background: rgba(255,255,255,1);
        box-shadow: 0rem 0.17rem 2.25rem 0rem rgba(0,0,0,0.3);
    }

    .remove-people-div {
        overflow: scroll;
        height: 70%;
    }
    .preemptiveVersionDiv {
        display: none;
    }
    .add-friend-div-img{
        margin-top: 2rem;
        text-align: center;
        position: relative;

    }
    .apply-friend-reason {
        margin-top: 2rem;
    }
    .apply-friend {
        margin-top:2rem;
    }

    #share_group {
        width: 75rem;
        height: 90%;
        background: rgba(255,255,255,1);
        border-radius: 0.94rem;
    }
    .qrcodeCanvas-title {
        display: none;
    }
}

@media all and (min-height:450px) and (max-height: 650px) {
    .preemptiveVersionDiv {
        display: none;
    }
}