html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, caption {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}
header
{
    background-color:aquamarine;
    height:200px;
    margin-top:0px;
    text-align:center;
}
h2
{
    font-size:30px;
}
h3
{
    font-size:22px;
}
body
{
    background-color:teal;
}
.games-grid
{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:15px;
    text-align:center;
    margin-top:35px;
    justify-items:center;
}
.games-grid a
{
    width:50%;
    height:300px;
    margin:15px;
}
.games-grid img
{
    border-style:solid;
    border-width:5px;
    border-color:black;
    object-fit:fill;
    width:100%;
    height:300px;
}
.games-grid div
{
    width:50%;
    height:150px;
    margin:15px;
}