div {
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
position: absolute;
top: 50%;
left: 50%;
transform: translate3d(-50%,-50%,0);
}
p {
    font-size: 28px;
    text-align: center;
}
button {
    padding: 20px 40px;
    border-color: transparent;
    background-color: #009170;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 0 20px 5px rgba(0,0,0,0.1);
}
button:hover {
    border-color: #009170;
    background-color: #fff;
    color: #009170;
    transition: all 0.3s ease-in-out;
    }