/* modal backdrop */
.modal-backdrop {
  background-color: #178383;
}
.modal-backdrop.fade {
  opacity: 0;
  filter: alpha(opacity=0);
}
.modal-backdrop.in {
  opacity: .65;
  filter: alpha(opacity=65);
}
.backdrop-signin {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url('../img/bg_01.jpg') center 0 no-repeat;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

/* modal form */
.form-signin {
  position: relative;
  width: 93.75%;
  max-width: 400px;
  margin: 80px auto;
  padding: 15px 50px;
  font-size: 12px;
  color: #777;
  letter-spacing: 0px;
  background-color: #fff;
  border-radius: 6px;
  -webkit-box-shadow: 0 3px 9px rgba(0,0,0,0.35);
  box-shadow: 0 3px 9px rgba(0,0,0,0.35);
  background-clip: padding-box;
  outline: 0;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
  margin-bottom: 10px;
}
.form-signin .checkbox {
  font-weight: normal;
}
.form-signin .form-control {
  position: relative;
  height: auto;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  padding: 10px;
}
.form-signin > div {
  margin: 15px auto;
  text-align: center;
}
.form-signin > div.brand-title {
  margin: 50px auto;
  text-align: center;
  font-size: 26px;
  color: #333;
}
.form-signin > div> a {
 color: #aaa;
}
.form-signin > div> a:hover,
.form-signin > div> a:focus {
  color: #777;
}

@media (min-width: 768px) {
  .form-signin {
    width: 600px;
    margin: 120px auto;
  }
}

/* input form */
.input-signin {
  border-radius: 0;
  border-top: 0;
  border-right: 0;
  border-left: 0;
  background-color: transparent;
}
.input-signin:focus {
  outline: 0;
  border-bottom-width: 2px;
  margin-bottom: -1px;
}