body {
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #eee;
}

.panel{
  max-width: 300px;
  margin: 0 auto;
  box-shadow: 0px 0px 7px rgb(0, 0, 0);
  border: 3px solid rgb(51, 122, 183);
  border-radius: 7px;
}

.panel-heading{
  font-size: 2em;
}

.form-signin {
  padding: 15px;
}
.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;
  font-size: 16px;
  margin-bottom: 5px;
}
.form-signin .form-control:focus {
  z-index: 2;
}

@media (max-width: 480px) {
  .form-signin h2.form-signin-heading {
      font-size: 27px;
  }
}