body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: -1;
}

body {
    font-family: 'Roboto', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-wrap: wrap;
}

main {
    background: rgba(0, 0, 0, 0.8);
    padding: 1rem;
    border-radius: 10px;
    width: 80%;
}

h1 {
    font-size: 3rem;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

p {
    font-size: 1.5rem;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

em {
    color: red;
}

#start-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: rgba(0, 0, 0, 0.8); */
    background: url('pics/pattern.svg') repeat center center;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

#start-button {
    padding: 1rem 2rem;
    font-size: 1.5rem;
    color: #fff;
    background: #ff4500;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}