body {
  margin: auto;
  padding: 10px;
  background-image: url("../../image/background.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 100vh;
  margin: 0;
  background-attachment: fixed;
  background-color: #f7f7f7;
}

h1 {
  color: black;
  text-shadow: -5px 1px 10px orange;
  background-color: rgba(0, 0, 0, 0.281);
  text-align: center;
  border-radius: 20px;
  margin: 0;
  padding: 0;
  font-size: 36px;
  font-weight: bold;
}

h2 {
  color: black;
  text-shadow: -5px 1px 10px orange;
  background-color: rgba(0, 0, 0, 0.281);
  text-align: center;
  border-radius: 20px;
  margin: 0;
  padding: 0;
  font-size: 24px;
  font-weight: 700;
  margin-top: -1px;
}

#signin_form {
  text-shadow: -5px 1px 10px gold;
  color: black;
  background-color: rgba(0, 0, 0, 0.408);
  font-weight: 600;
  font-size: 25px;
  border-radius: 20px;
  align-items: center;
  width: 650px;
  height: 290px;
  padding: 10px;
  margin-top: 10px;
}
.mb-5 > label {
  color: black;
  font-weight: 600;
  font-size: 20px;
  font-weight: bold;
}

#sign {
  font-size: 20px;
  font-weight: 600;
  text-shadow: -5px 1px 10px gold;
  color: black;
  font-weight: bold;
}
#sign > a {
  font-size: 20px;
  color: rgb(0, 217, 255);
  font-weight: 600;
}
#sign > a:hover {
  font-size: 21px;
  color: lawngreen;
}

button[type="submit"] {
  background-color: rgb(0, 0, 0);
  text-shadow: -5px 1px 10px orange;
  color: white;
  text-shadow: -2px 2px 10px black;
  width: 100%;
  /* margin-left: 100px; */
  margin-top: 15px;
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
  background-color: orange;
  text-shadow: -2px 5px 10px rgba(0, 0, 0, 0.5);
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
}

button[type="submit"]:active {
  background-color: orangered;
  transform: translateY(2px);
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}