.container {
    box-shadow: 0 5px 20px rgba(0,0,0, 0.5);
/*    position: absolute;
    right: 40;*/ 
    padding: 40px;
    border-radius: 15px;
    width: 350px;
    background: white;
    /*meletakkan form ke tengah*/
    margin: 80px auto;
    padding: 30px 20px;
}
button {
	width: 48%;
}
.form-signin {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: auto;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="text"] {
  margin-bottom: -10px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}