@import url('https://fonts.googleapis.com/css?family=Trirong');
@font-face {
  font-family: 'book_antiquaitalic';
  src: url('fonts/book_antiqua_italic-webfont.woff2') format('woff2'),
       url('fonts/book_antiqua_italic-webfont.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
html {
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  min-height: 100%; 
  overflow-y: hidden;
}
body {
  font-family: 'Trirong', Tahoma;
  height: 100%;
  min-height: 100%;
  overflow-y: scroll; 
}
.efont {
  font-family: 'book_antiquaitalic', Tahoma;
}
.img-logo {
  width: 50px;
  height: 50px;
}
.login-box {
  top: 50%;
  left: 50%;
  position: absolute;
  transform: translate(-50%,-50%);
  box-sizing: border-box;
  box-shadow: -1px 5px 20px 5px rgba(0, 0, 0, 0.5);
  color: #FFF;
}
.txt-subject {
  font-size: 40px;
  text-shadow: 3px 3px 4px rgba(0, 0, 0, 0.8);
}
@media screen and (min-width: 280px) and (max-width: 576px) {
  .txt-subject {
    font-size: 30px;
    text-shadow: 3px 3px 4px rgba(0, 0, 0, 0.8);
  }
}
.no-padding {
  padding: 0;
  margin: 0;
}
.login-btn {
  background: rgba(0, 0, 0, 0.2);
  box-shadow: 2px 2px 2px #000;
  color: #FFF;
}
.login-btn:hover {
  background: rgba(0, 0, 0, 0.4);
}
label a, label a:hover {
  color: #FFF;
}