html {
    font-size: 100%;
    overflow-y: scroll;
}

body {
    font-family: system-ui;
    padding: 1em;
    margin: auto;
    max-width: 42em;
}

table {
    margin-bottom: 2em;
    border-bottom: 1px solid silver;
    border-right: 1px solid silver;
    border-spacing: 0;
    border-collapse: collapse;
}

table th {
    padding: .2em 1em;
    border-top: 1px solid silver;
    border-left: 1px solid silver;
}   
    
table td {
  padding: .2em 1em;
  border-top: 1px solid silver;
  border-left: 1px solid silver;
}