body {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}

.form-signin {
  width: 100%;
  max-width: 350px;
  margin: auto;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: .25rem;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
  padding: 25px;
}
.form-signin input, .form-signin button{
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="text"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
  background-color: rgba(255, 255, 255, 0.5);
}
.form-signin input[type="password"] {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  background-color: rgba(255, 255, 255, 0.5);
}
.singin_bg {
  background-image: url('../img/sozmon_back.jpg');
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}