body{
margin:0;
font-family:Arial;
background-image:url("4k.jpg");
background-size:cover;
background-position:center;
background-attachment:fixed;
}

.overlay{
background:rgba(0,0,0,0.65);
min-height:100vh;
padding-bottom:40px;
}

header{
text-align:center;
color:white;
padding:25px;
}

header img{
width:80px;
}

.container{
width:1200px;
margin:auto;
}

.section{
background:rgba(225,225,225,0.85);
padding:25px;
margin-top:25px;
border-radius:8px;
box-shadow:0 3px 10px rgba(0,0,0,0.3);
}

h2{
text-align:center;
color:#003366;
}

button{
background:#003366;
color:white;
border:none;
padding:8px 15px;
border-radius:4px;
cursor:pointer;
margin:5px;
}

button:hover{
background:#0055aa;
}


/* LINKS */

.links{
display:grid;
grid-template-columns:repeat(2,1fr);
gap:12px;
}

.links a{
background:#003366;
color:white;
text-decoration:none;
padding:12px;
border-radius:5px;
text-align:center;
font-weight:bold;
}

.links a:hover{
background:#0055aa;
}


/* FOOTER */

footer{
text-align:center;
color:white;
margin-top:30px;
}
table{
width:100%;
border-collapse:collapse;
border-radius: 8px;
}

table th, table td{
border:1px solid #003366;
padding:10px;
text-align:center;
}

table th{
background:#003366;
color:white;
}
tr:hover {
    background-color: #003366;
    color: rgb(255, 255, 255);
    transition: background-color 0.3s ease;
    font-weight: bold;
    border: 1px solid #ffffff;
}