body {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    position: relative;
    margin: 0;
    padding: 0;
    background-image: url('https://c.pxhere.com/photos/35/84/green_shoe_grass_boot_person-52387.jpg!d');
    background-repeat: no-repeat;
    background-size: 100vw 100vh;
    width: 100%;
    height: 100vh;
    perspective: 1000px;
    user-select: none;
    overflow: hidden;
}

#Btn {
    padding: 2% 6%;
    background-color: #b2fab4;
    position: relative;
    z-index: 100;
    margin-bottom: 30px;
    border-radius: 10px;
    border: 10px solid #519657;
    font-family: 'Song Myung', serif;
    transition: all 0.2s;
}