body {
  margin: 0;
  padding: 0;
  background-image: -webkit-linear-gradient(top left, #3fb718, #0b93d7);
}

.card {
  margin-bottom: 20px;
  border: none;
}

.box {
  width: 500px;
  padding: 40px;
  position: absolute;
  top: 50%;
  left: 50%;
  background: #f3f3fd;
  text-align: center;
  transition: 0.25s;
  margin-top: 100px;
  border-radius: 10px;
}

.box input[type="text"],
.box input[type="password"] {
  border: 0;
  background: none;
  display: block;
  margin: 20px auto;
  text-align: center;
  border: 2px solid #0099cc;
  padding: 10px 10px;
  width: 250px;
  outline: none;
  color: black;
  border-radius: 24px;
  transition: 0.25s;
}

.box h1 {
  color: black;
}

.box input[type="text"]:focus,
.box input[type="password"]:focus {
  width: 400px;
  border-color: #3fb718;
}

#LoginSubmitBtn {
  border: 0;
  background: none;
  display: block;
  margin: 20px auto;
  text-align: center;
  border: 2px solid #0099cc;
  padding: 14px 40px;
  outline: none;
  color: black;
  border-radius: 24px;
  transition: 0.25s;
  cursor: pointer;
  width: 250px;
}

#LoginSubmitBtn:hover {
  background: #0099cc;
}

.forgot {
  text-decoration: underline;
}
@media screen and (max-width: 800px) {
  .box {
    width: 500px;
    padding: 40px;
    position: absolute;
    top: 50%;
    left: 30%;
    background: #f3f3fd;
    text-align: center;
    transition: 0.25s;
    margin-top: 100px;
    border-radius: 10px;
  }
}

@media screen and (max-width: 600px) {
  .box {
    width: 400px;
    padding: 40px;
    position: absolute;
    top: 50%;
    left: 10%;
    background: #f3f3fd;
    text-align: center;
    transition: 0.25s;
    margin-top: 100px;
    border-radius: 10px;
  }
}