Edit in JSFiddle

* {
    margin: 0;
    padding: 0;
}
table {
    padding: 0;
    margin: 0;
    border: none;
    width: 100%;
   background-image:
  repeating-linear-gradient(white, white 1.2em, hotpink 1.2em, hotpink 2.4em);
    border-collapse: collapse;

}
td,tr {
    border: none;
padding: 0 5px;
    line-height: 1.2em;
    margin: 0;
    border-collapse: collapse;
}
.hidden {
   display: none;
}

var rows = document.querySelectorAll('tr');
document.querySelector('button').addEventListener('click', function(ev) {
  rows[3].className = 'hidden';
}, false);