AriaNg-Native/app/styles/core/native-core.css

a {
    -webkit-user-drag: none;
    -webkit-app-region: no-drag;
}

.dropzone {
    background: rgba(255, 255, 255, 0.85);
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    box-sizing: border-box;
    z-index: 10000;
}

.dropzone .dropzone-filezone {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 10009;
}

.dropzone .dropzone-tip-container {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 12px;
}

.dropzone .dropzone-tip-container .dropzone-tip-wrapper {
    width: 100%;
    height: 100%;
    border: 6px dashed #ccc;
    border-radius: 8px;
}

.dropzone .dropzone-tip-container .dropzone-tip-wrapper .dropzone-tip {
    display: inline-block;
    position: absolute;
    padding-right: 18px;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}

.dropzone .dropzone-tip-container .dropzone-tip-wrapper .dropzone-tip i.fa {
    font-size: 96px;
}