@import url('https://fonts.googleapis.com/css?family=Muli&display=swap');
@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,500&display=swap');
.field-box.success input,
.field-box-query.success input {
    border-color: #2ecc71;
}

.field-box.error input,
.field-box-query.error input {
    border-color: #e74c3c;
}

.field-box small,
.field-box-query small {
    color: #e74c3c;
    position: absolute;
    bottom: -15px;
    left: 20px;
    visibility: hidden;
}

.field-box.error small,
.field-box-query.error small {
    visibility: visible;
}