Table css code – help please

Hi I’ve put in css code for my table but I can’t figure out how to make the height of the lines less (ie less padding above & below the words).
My css code is
.entry-content table {
border: 2px solid #f7f5f5;
border-collapse: collapse;
border-spacing: 0;
font-size: 14px;
line-height: 2;
width: 100%;
}

.entry-content table td {
border: 2px solid #f7f5f5;
padding: 0.5em;
line-height: 2;
text-align: center;
}

URL: http://217.199.187.65/tregowanstives.co.uk/prices/