.ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_prev { background: none; }
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_prev::after {content: ''; position: absolute; width: 12px; height: 12px; border-top: 2px solid #203F5D; border-left: 2px solid #203F5D; left: calc( 50% + 3px ); top: 50%; transform: translate(-50%,-50%) rotate(-45deg);}
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_next { background: none; }
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_next::after {content: ''; position: absolute; width: 12px; height: 12px; border-top: 2px solid #203F5D; border-right: 2px solid #203F5D; left: calc( 50% - 3px ); top: 50%; transform: translate(-50%,-50%) rotate(45deg);}
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn {  width: 38px; height: 38px; border-radius: 50%; border: 2px solid #203F5D;}
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_next:hover { background: #203F5D; border: none; }
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_prev:hover { background: #203F5D; border: none; }
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_next:hover::after { border-top-color: #fff; border-right-color: #fff ; }
    .ly_video_18 .video_wrapper_1440 .srcoll_list .srcoll_btn.srcoll_btn_prev:hover::after { border-top-color: #fff; border-left-color: #fff ; }