static/css/validation.css

.hide-element {
    display: none;
}

.storage-capacity {
    width: 80%;
}

.storage-capacity-ext {
    width: 20%;
    display: block;
}

.edp-form .card-header.collapsed.error:after {
    content: '\0021';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.form-error {
    color: red;
}

.button-disable {
    pointer-events: none;
    opacity: 0.4;
}