.fill { 
    min-height: 100vh;
    height: 100vh;
}
img {
    margin-top: 44%;
    margin-bottom: 6%;

}
input {
    text-align: center;
}
.btn-secondary{
    width:100%;
}
@media screen and (max-width: 600px) {
  .left-img {
    display: none;
  }
}