.warp {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.background-video {
    width: 100%;
}

@media screen and (min-width: 63rem) {
    .background-video {
        position: absolute;
        left: 0;
        top: 0;
    }
}

.content-404 {
    z-index: 5;
}

.h1-404 {
    text-align: center;
}

.button-group {
    display: flex;
    justify-content: center;
    padding: 20px;
}

.button-group a {
    height: 30px;
    width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background-image: linear-gradient(90deg,#ff8e3e 4%,#ffffff00 100%);
}