#vortex{
    width: 540px;
    height: 540px;
    position: absolute;
    z-index: 0;
    /* border: 1px dashed #fff; */
    border-radius: 50%;
    margin: auto auto;
    /* border: 4px dashed #009e4f; */
}
.logo_slider_intro {
    
}
.trs03{-webkit-transition:all .3s;transition:all .3s;}
.w100{width: 100%;}
@media screen and (max-width: 500px){
    .logo_slider_intro{top:10px !important;left: 5px !important;right:-5px !important;}
    .ten-votex {padding:0px !important;height: 35px !important}
    .ten-votex a{font-size: 8px !important;}
    .content_vortex{    
       width: 230px;
       height: 230px;
    }
    #vortex{
        width: 230px;
        height: 230px;
    }
    .img-xoay{max-width: 80px !important;}
    .square-button{
        min-width: 50px !important;
        width: 80px !important;
        height: 80px !important;
        min-height: 50px !important;
    }
    .logo_slider_intro{
        width: 90px !important;
        height: 90px !important;
    }
    .bao_slider{max-width: 60px !important;}
    .logo_intro{zoom:0.5;}
}
.content_vortex {
    /* position: absolute; */
    /* left: 0; */
    /* right: 0; */
    /* bottom:0; */
    /* top:0; */
    margin: auto auto;
    z-index: 99999;
    position: relative;
}
.logo_slider_intro{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto auto;
    width: 210px;
    height: 210px;
    border-radius: 50%;
    /* border: 4px solid #009e4f; */
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}
.bao_slider{
    border-radius: 50%;
    max-width: 190px;
    border-radius: 50%;
    display: flex;
    align-items:center;
    justify-content: center;
    width: 100%;
}