html,
body {
  height: 100%;
}

body {
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -ms-flex-align: center;
  -ms-flex-pack: center;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}
img.logo {
  width: 120px;
  height: 120px;
}
.form-signin,
.form-signup,
.form-forgot {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-control,
.form-signup .form-control,
.form-forgot .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus,
.form-signup .form-control:focus,
.form-forgot .form-control:focus {
  z-index: 2;
}
.form-signin input[type="text"],
.form-signup input[name="yourname"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"],
.form-signup input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.form-signup input[name="alamatemail"],
.form-signup input[name="username"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.form-signup input.is-invalid {
  margin-bottom: 0px !important;
}