html body {
    width: 100%;
    height: 100vh;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

#btn-1, #btn-2 {
    margin: 10vh;
    padding: 20px;
    border-radius: 10px;
}

#btn-1 {
    background-color: palegoldenrod;
    box-shadow: 2px 2px; 
    transition: all 0.3s ease;
}

#btn-1:hover {
    translate: -2px -2px;
    box-shadow: 4px 4px;
}

#btn-2 {
    background-color: purple;
    color: white;
    -webkit-box-shadow: 0 0 10px #111;
        box-shadow: 0 0 10px #111;
    transition: all 0.3s ease;
}

#btn-2:hover {
    -webkit-box-shadow: 0 0 0px #111;
        box-shadow: 0 0 0px #111;
        margin: calc(10vh + 4px) calc(10vh + 4px);
        padding: calc(20px - 4px) calc(20px - 4px);
}