* {
    padding: 0;
    margin: 0;
}

.img {
    text-align: center;
    width: 100%;
    height: auto;
    position: absolute;
    z-index: 0;
    margin: auto;
}
.center {
    margin: auto;
    width: auto;
    padding: 10px;
  }

.card {
    position: relative;
    height: 100vh;
}

.padding-1 {
    padding: 1rem;
}

.card-content {
    padding-top: 6rem;
    text-align: center;
    z-index: 1;
    position: relative;
}

.btn {
    padding: 1rem;
    position: relative;
    bottom: 0;
}