*{
     box-sizing: border-box;
}

body
{
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fb;
}
header
{
    text-align: center;
    background-color: #ffffff;
    border-bottom: 1px solid #dbe2ea;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

footer
{
    text-align: left;
    margin-top: 50px;
    padding: 30px;
    background-color: #eef2f7;
    border-top: 1px solid #dbe2ea;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
}

.banner
{
    display: block;
    width: 100%;
    max-height: 250px;
    height: auto;
    margin: 0 auto;
}
main
{
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.links {
    display: flex;
    flex-wrap: wrap;
    justify-content: left;
    gap: 16px;
}


.links:not(:last-child) {
    margin-bottom: 40px;
}


.link-button
{
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    text-decoration: none;
    color: #222;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 300px;
}
.link-button:hover
{
    background: limegreen;
    color: white;
}
.link-icon
{
    width: 40px;
    height: 40px;
}