* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

section {
    position: relative;
    width: 100%;
    height: 100vh;
}

section video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

section .navigation {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    justify-content: center;
    align-items: center;
}

section .navigation li {
    list-style: none;
    cursor: pointer;
    margin: 0 10px;
    padding: 3px 3px 3px;
    opacity: 0.7;
    transition: 0.5s;
}

section .navigation li:hover {
    opacity: 1;
}


section .navigation li img {
    width: 100px;
    transition: 0.5s;
}

section .navigation li img:hover {
    width: 200px;
}

section .navigation td {
    list-style: none;
    cursor: pointer;
    margin: 0 10px;
    padding: 3px 3px 3px;
    opacity: 0.7;
    transition: 0.5s;
}

section .navigation td:hover {
    opacity: 1;
}


section .navigation td img {
    width: 100px;
    transition: 0.5s;
}

section .navigation td img:hover {
    width: 200px;
}