style.css

* {
  box-sizing: border-box;
}
body {
  font-family: Segoe UI;

}
.content {
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}
.warning-sign {
  background-color: red;
  color: white;
  border-radius: 5px;
  padding: 10px 20px;
  display: none;
}

.content-form {
  margin-top: 10px;
}

label {
  letter-spacing: 0.3px;
}

table {
  letter-spacing: 0.8px;
  width: 100%;
}

input[type="text"] {
  letter-spacing: 0.8px;
  padding: 10px 20px;
  background-color: #ebeced;
  color: black;
  border-radius: 6px;
  border: none;
  transition: background-color 0.3s;
  width: 100%;
  font-size: 14px;
  margin-bottom: 10px;
}
input[type="number"] {
  letter-spacing: 0.8px;
  padding: 10px 20px;
  background-color: #ebeced;
  color: black;
  border-radius: 6px;
  border: none;
  transition: background-color 0.3s;
  width: 100%;
  font-size: 14px;
  margin-bottom: 10px;
}
input:focus {
  outline: none;
  background-color: #d9dadb;
}
button {
  width: 18.5em;
  margin-top: 5px;
  border-radius: 6px;
  background-color: #007BFF;
  color: white;
  padding: 10px 20px;
  border: none;
  font-size: 15px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover{
  background-color: #4CAF50;
  color: white;
}

img {
  display: none;
}

@media only screen and (max-width: 600px) {
  input[type="number"] {
    width: 100%;
  }
  input[type="text"] {
    width: 100%;
  }
  button {
    width: 100%;
  }
  table {
    width: 100%;
  }
}