#galerie_box { max-width:1200px; position:relative; margin:auto; text-align:left;
  box-sizing:border-box;}
/* okno galerieu */
#galerie_box .galerie {overflow:hidden; border-radius:15px;
  display:none; background-size:cover; box-sizing:border-box;}
/* tlačítka předchozí a další */
#galerie_box .Gbtn-dalsi, #galerie_box .Gbtn-predchozi { cursor:pointer; position:absolute;
  top:41%; width:auto; margin-top:-50px; padding:15px; color:#eeeeee; font-weight:bold;
  font-size: 40px; transition:0.4s ease; border-radius:8px; user-select:none;
  box-sizing:border-box; background-color:#F5F6F7; color:#8496B3;}
#galerie_box .Gbtn-dalsi:hover, #galerie_box .Gbtn-predchozi:hover {background-color:#AACCCC;
  color:#FFFFFF;}
#galerie_box .Gbtn-dalsi { right:0; border-radius:8px;}
/* puntĂ­ky */
#galerie_box .Gbtn-dots { cursor:pointer; height:16px; width:16px; margin:0 4px 8px 4px;
  background-color:#acc; border-radius:50%; display:inline-block; box-sizing:border-box;
  transition:background-color 0.5s ease;}
#galerie_box .Gdot-enable, #galerie_box .Gbtn-dots:hover { background-color: #717161;}
/* animace změny obrázku */
.galerie-animace { animation: Ggalerie-anim; animation-duration: 0s;}
@keyframes Ggalerie-anim { from {width:15%;} to {width:100%;}}