body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #2b2b2b;
    color: #ffffff;
}
.menu {
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: #333;
}
.menu li {
    position: relative;
    display: inline-block;
}
.menu li a {
    display: block;
    padding: 10px 20px;
    color: white;
    text-decoration: none;
}
.menu li a:hover {
    background-color: #111;
}
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #333;
    list-style: none;
    padding: 0;
    margin: 0;
}
.submenu li {
    display: block;
}
.submenu li a {
    padding: 10px 20px;
}
.menu li:hover .submenu {
    display: block;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1em;
}
.card {
    background-color: #34495e;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
}
.img {
    display: flex;
    align-items: center;
    justify-content: center
    ;height: 100%;
}
video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    transform: translate(-50%, -50%);
    background-size: cover;
}
.card img {
    width: 300px;
    height: 200px;
    border-radius: 1em;
    border-left: 1em;
    margin: 1em;
}