body {
  font-family: sans-serif;
  /*background: #ebf9fb;*/
  position: fixed;
  top: 0;
  left: 0;
  content: "";
  width: 100%;
  height: 100%;

  background-image: url("");
  background-position-y: top;
  background-color: rgba(38, 50, 56, 0.65);
  -webkit-background-size: cover;
  background-size: cover;
  z-index: -1;
}

h1 {
  text-align: center;
  /*ketebalan font*/
  font-weight: 100;
}

.tulisan_atas {
  text-align: center;
  /*membuat semua huruf menjadi kapital*/
  text-transform: uppercase;
}

.panel_login {
  width: 350px;
  background: white;
  /*meletakkan form ke tengah*/
  margin: 80px auto;
  padding: 30px 20px;
  box-shadow: 0px 0px 100px 4px #d6d6d6;
}

label {
  font-size: 11pt;
}

.form_login {
  /*membuat lebar form penuh*/
  box-sizing: border-box;
  width: 100%;
  padding: 10px;
  font-size: 11pt;
  margin-bottom: 20px;
}

.tombol_login {
  background: #2aa7e2;
  color: white;
  font-size: 11pt;
  width: 100%;
  border: none;
  border-radius: 3px;
  padding: 10px 20px;
}

.link {
  color: #232323;
  text-decoration: none;
  font-size: 10pt;
}

.alert {
  background: #e44e4e;
  color: white;
  padding: 10px;
  text-align: center;
  border: 1px solid #b32929;
}