div#rangeInputs {   display:flex;   justify-content:center;   gap:20px;   margin-bottom:20px; } .buttons-div-parent {   display:flex;   justify-content:center;   gap:10px; } @media(max-width:400px){  .buttons-div-parent {   flex-direction:column;   padding:0 30px;   } } @media(max-width:767px){  #pdfSplitTool #pdfPreview{   max-height:340px !important; } }