#wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-flow: column nowrap;
    height: 100%;
    background-image: url(../img/index-img.png);
    background-repeat: no-repeat;
    background-position: bottom right;
    background-size: 30rem;
    background-color: #00d355;
    padding: 0 1.5rem;
    position: relative;
}
#wrap .img_wrap {
    width: 16rem;
    margin-bottom: 18rem;
}
#wrap .img_wrap img {
    width: 100%;
}
#wrap a {
    font-size: 1.8rem;
    font-weight: 800;
    color: #00d355;
    background: #fff;
    width: calc(100% - 3rem);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    padding: 1.5rem 6rem;
    border-radius: 1rem;
    position: absolute;
    bottom: 4rem;
}