first commit

templates/instytut_dendrologii_/css/swiper.css

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+.swiper {
+    width: 100%;
+    height: 100%;
+  }
+
+  .swiper-slide {
+    text-align: center;
+    font-size: 18px;
+    background: #fff;
+    width: unset !important;
+    height: unset !important;
+
+    /* Center slide text vertically */
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: -webkit-flex;
+    display: flex;
+    -webkit-box-pack: center;
+    -ms-flex-pack: center;
+    -webkit-justify-content: center;
+    justify-content: center;
+    -webkit-box-align: center;
+    -ms-flex-align: center;
+    -webkit-align-items: center;
+    align-items: center;
+  }
+
+  .swiper-slide img {
+    display: block;
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+  }
+
+  .swiper-arrows{
+    width: 70px;
+    margin: auto;
+    display: flex;
+    flex-direction: row-reverse;
+    column-gap: 20px;
+    justify-content: center;
+    margin-bottom: 37px;
+  }
+
+  .swiper-button-next,  .swiper-button-prev {
+    right: 0 !important;
+    left: 0 !important;
+    margin-left: auto !important;
+    margin-right: auto !important;
+    position: relative !important;
+}
+.swiper-button-prev:after{
+    content: url(/images/Arboretum/arll.png) !important;
+}
+.swiper-button-next:after{
+    content: url(/images/Arboretum/arpp.png) !important;
+}