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

body{
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

#video{
    width: 100vw;
    height: 100vh;
    object-fit: cover;
}

#button{
    position: absolute;
    top: 40px;
    left: 20px;
    padding: 12px 18px;
    border: 1px solid #fff;
    background-color: transparent;
    color: #fff;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
}

#button:hover{
    background-color: #fff;
    color: #000;
    border: 1px solid #000;
}