body {
  font:15px/1.25 'Alef';
  color:@text;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
form {
  width:347px;
  text-align:center;
  padding:40px;
}
h1 {
  text-shadow:1px 1px 0px rgba(0, 0, 0, 0.7);
  font-weight:400;
  margin-bottom:30px;
}
input {
  color:#fff;
  text-shadow:1px 1px 0px rgba(0, 0, 0,0.3);
  margin-bottom:10px;
}
[name="login_btn"] {
  position:relative;
  display:block;
  margin-top:15px;
  margin-bottom:15px;
  padding:17px;
  width:270px;
  font-size:1.2em;
  background: #3498db;
  cursor:pointer;
  box-shadow:none;
  border: none;
}