.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

body {
  background: linear-gradient(to bottom, #773E90 0%, #E84A3C 100%);
  background-attachment: fixed;
  height: 100%;
  color: white;
}

.btn-primary,
.btn-primary:hover,
.btn-primary:active,
.btn-primary:visited {
  background-color: #661085 !important;
  border-color: #661085;
  width: 200px;
  margin: 50px 0px 20px 0px;

}

.text_box {
  position: relative;
  top: 30px;
  width: 250px;
  margin: 10px 60px 0px 60px;
}

.form-signin {
  width: 100%;
  max-width: 400px;
  padding: 15px;
  margin: 0 auto;
}

.form-signin .checkbox {
  font-weight: 400;
}

.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}

.form-signin .form-control:focus {
  z-index: 2;
}

.form-signin input[type="text"] {
  margin-bottom: 0px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}