html{
    height: 100%;
}

body{
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0px;
}

form{
    display: flex;
    flex-direction: column;
    width: 20%;
}

input{
    margin-bottom: 10px;
}

button{
    width: 50%;
    margin: 0 auto;
}