.main-input-section {   display:grid;   grid-template-columns:repeat(2, 1fr);   gap:20px;   margin-bottom:25px; } button.cal-button {   margin-bottom:20px; } div#result p span {   color:#000;   font-weight:700; } div#result p {   margin-bottom:0; } canvas#epsChart {   display:block;   max-height:280px;   max-width:1712px;   box-sizing:border-box;   height:280px;   width:824px; } @media(max-width:480px){   .main-input-section{   grid-template-columns:repeat(1, 1fr) ;  } }