.polball-page{padding-bottom:20px;}
.polball-naver{
    display:flex;background:#b61919;padding:6px;text-align:center;
    border-radius:4px;-khtml-border-radius:4px;-moz-border-radius:4px;
}
.polball-naver .btn-navpolball{
    display:block;width:20%;background:none;border:none;cursor:pointer;
    background:#a3492b;padding:4px 0;color:#fff;border-left:3px solid #b61919;
    font-family:"Kanit",Tahoma,Arial;font-size:0.95rem;text-transform:uppercase;
}
.polball-naver .btn-navpolball:first-child{border-left:none;}
.polball-naver .btn-navpolball:hover, .polball-naver .btn-navpolball.active{background:#fb8248;}
.polball-detail{margin-top:10px;}
.polball-detail iframe{max-width:100%;}

@media screen and (min-width:280px) and (max-width:549px){
    .polball-naver{flex-wrap:wrap;justify-content:flex-start;padding-bottom:3px;}
    .polball-naver .btn-navpolball{width:33.33%;margin-bottom:3px;font-size:0.7rem;padding:2px 0;}
    .polball-naver .btn-navpolball:nth-child(4){border-left:none;}
}