Css problem – white line appears

Hi,

I apply some css to the plugin to change the background color to #2e2925 but a white line appear. (url : https://remede-naturel.fr / picture : picture

The plugin container background-color is #2e2925

the css :

/*instagram feed*/
 .wdi_feed_container {
    /*background-color: #2e2925 !important;*/
	 background-color: transparent !important;
}
.wdi_header_user_text *, .wdi_media_info {
	color: white !important;
}

#wdi_feed_0 .wdi_follow_btn{
    border-color: rgb(242, 186, 102);
    color: rgb(242, 186, 102);
    font-family: Roboto;
    font-style: normal;
    text-transform: uppercase;
    font-size: 16px;
    font-weight: 700;
    line-height: 3;
    padding: 0px 1.6em;
    border-radius: 0.3em;
    letter-spacing: 0em;
    box-shadow: rgba(0, 0, 0, 0.2) 0px 0.15em 0.3em;
  	background-color: transparent;
}
#wdi_feed_0 .wdi_follow_btn:hover{
	background-color: rgb(242, 186, 102) ;
}
.wdi_feed_wrapper *, .wdi_feed_item, .wdi_photo_wrap_inner, .wdi_photo_wrap, .wdi_feed_theme_1 .wdi_feed_wrapper   {
	background-color: transparent !important;
}
.wdi_feed_thumbnail_1 .wdi_photo_img {
    border-radius: 28px !important;
    background-color: transparent  !important;
}
.wdi_feed_thumbnail_1 .wdi_photo_wrap_inner  {
    border: 5px solid transparent  !important;
    background-color: transparent  !important;
}

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