html,
body {
  height: 100%;
}

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

.form-signin {
  width: 100%;
  max-width: 330px;
  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="email"] {
  margin-bottom: -1px;
  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;
}

.form-control, .is-focused {
  background-image: linear-gradient(0deg,#00aceb 2px,rgba(0,150,136,0) 0),linear-gradient(0deg,rgba(0,0,0,.26) 1px,transparent 0) !important;
}

.is-focused [class^="bmd-label"] {
  color: #00aceb !important;
}

.btn-primary {
  color: #00aceb !important;
}

.checkbox label input[type="checkbox"]:checked + .checkbox-decorator .check {
  color: #00aceb !important;
  border-color: #00aceb !important;
}

.checkbox label input[type="checkbox"]:checked + .checkbox-decorator .check::before {
  color: #00aceb !important;
}

.riquadro {
    border: 3px solid #00aceb;
    padding: 10px;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
    border-radius: 50%;
}