body {
background-color: #026873;
background-image: linear-gradient(90deg, rgba(255,255,255,.07) 50%, transparent 50%),
linear-gradient(90deg, rgba(255,255,255,.13) 50%, transparent 50%),
linear-gradient(90deg, transparent 50%, rgba(255,255,255,.17) 50%),
linear-gradient(90deg, transparent 50%, rgba(255,255,255,.19) 50%);
background-size: 13px, 29px, 37px, 53px;
}