body {
  background: black; /*linear-gradient(to top, gray 50%, black 50%);*/
  height: 100vh;
}

img {
  align-items: center;
}

body {
  padding: 20px;
}

/* Make the button yellow */
.btn-warning {
  background-color: #ffc107;
  border-color: #ffc107;
}

.card-img-top {
  height: auto;
}
/*
input {
  font-size: 14;
}
*/
#resultado-texto{
  text-align: left;
}