@media(max-width:991px){   #pdfSplitTool .image-container.removed::after {   font-size:10px !important;   width:20px !important;   height:20px !important;   line-height:22px !important; } } @media(max-width:767px){  button#splitBtn {   font-size:14px !important;  } #pdfSplitTool #pdfPreview{ max-height:450px !important;  }   }  @media(max-width:400px){ #pdfSplitTool .image-container{  max-width:calc(50% - 10px) !important;; } }  @media(min-width:400px) and (max-width:550px){ #pdfSplitTool .image-container{  max-width:calc(32% - 10px) !important;; } }