現在設定している楽天のスマホカテゴリ表示でサムネイルの四角枠を消したい、もしくは白枠で見えなくする方法はありますか？

div#sCSLContainer {
display: flex;
flex-wrap: wrap;
}
div#sCSLContainer>a {
width: 50%;
}
div#sCSLContainer>a>div {
padding: 0px;
}
div#sCSLContainer .sCSLBox01,div#sCSLContainer .sCSLBox02 {
display: block !important;
background-position: calc(100% - 0px) calc(100% - 12px);
border-bottom: none; #ffffff;
background-color: transparent;
margin-bottom: 16px;
}
#sCSLContainer .txtheight {
min-height: 20px;
margin: 8px 0;
}
#sCSLContainer .txtheight .ctgItemNormal {
line-height: 1.4;
}
#sCSLContainer .txtprice {
text-align: left;
}
#sCSLContainer .inLeft {
width: 48vw !important;
height: 48vw !important;
}
div#sCSLContainer .sCSLBox01 div.inLeft img,div#sCSLContainer .sCSLBox02 div.inLeft img {
max-height: 100% !important;
max-width: 100% !important;
}

#sCSLContainer .inRight .txtprice {
padding: 0;
color: #bf0000;
text-align: left;
}