#filter {
    margin-top: 20px;
}

.row-margin {
    margin-right: 10px;
}

.row-padding {
    padding: 10px;
}

.col-margin {
    margin-top: 15px;
}

.remove-icon {
    opacity: 0.3;
    line-height: 38px;
    cursor: pointer;
}

.remove-icon:hover {
    opacity: 0.5;
}

.remove-icon:before {
    content: "\2716";
}

.hidden {
    display: none;
}

.invalid {
    border-color: indianred;
}