.cbcaptcha-caja {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.cbcaptcha-img {
  display: block;
  width: 200px;
  max-width: 100%;
  height: auto;
  min-height: 64px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: #f6f1ea;
  transition: opacity .2s;
}
.cbcaptcha-otra {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.cbcaptcha-otra:hover {
  background: #f3f3f3;
}
input[name="cbcaptcha_codigo"] {
  text-transform: uppercase;
  letter-spacing: 2px;
}