* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body {
  background-color: #1ad079;
}
.container {
  width: 500px;
  margin: auto;
  background-color: #ffffff;
  border-radius: 10px;
}
canvas {
  margin: 30px;
  background-color: #ffffff;
  border-radius: 10px;
  border: 3px solid #1ad079;
}
.btn {
  margin-bottom: 10px;
}
button {
  margin: 0 5px;
  padding: 5px 10px;
  cursor: pointer;
  background-color: #1ad079;
  border: none;
  border-radius: 5px;
}
#show {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}
.signature-img {
  width: 100px;
  height: 100px;
}
.error {
  color: #f66646;
  margin: 10px 0;
}