body,html{max-width:100vw;box-sizing:border-box;}
input,button,textarea{font-size:16px;}
table{width:100%;table-layout:auto;}
@media (max-width:600px){
  body{padding:3px;}
  th,td{padding:3px;}
  .btn-save{width:90vw;}
  .img-preview-link img{max-width:50px;}
}