r2c/user/plugins/form/assets/form-styles.css

.form-group.has-errors {
    background: rgba(255,0,0,0.05);
    border: 1px solid rgba(255,0,0,0.2);
    border-radius: 3px;
    margin: 0 -5px;
    padding: 0 5px;
}

.form-errors {
    color: #b52b27;
}

.form-honeybear {
    visibility: hidden;
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
}

.form-errors p {
    margin: 0;
}



.form-input-file input {
    display: none;
}

.form-input-file .dz-default.dz-message {
    position: absolute;
    text-align: center;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
}

.form-input-file.dropzone {
    position: relative;
    min-height: 70px;
    border-radius: 3px;
    margin-bottom: .85rem;
    border: 2px dashed #ccc;
    color: #aaa;
    padding: 0.5rem;
}

.form-input-file.dropzone .dz-preview {
    margin: 0.5rem;
}

.form-input-file.dropzone .dz-preview:hover {
    z-index: 2;
}

.form-input-file.dropzone .dz-preview .dz-error-message {
    min-width: 140px;
    width: auto;
}

.form-input-file.dropzone .dz-preview .dz-image,
.form-input-file.dropzone .dz-preview.dz-file-preview .dz-image {
    border-radius: 3px;
    z-index: 1;
}

/* Signature Pad */
.signature-pad {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    font-size: 10px;
    width: 100%;
    height: 100%;
    max-width: 700px;
    max-height: 460px;
    border: 1px solid #f0f0f0;
    background-color: #fff;
    padding: 16px;
}

.signature-pad--body {
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    border: 1px solid #f6f6f6;
    height: 100px;
}

.signature-pad--body canvas {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 4px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.02) inset;
}

.signature-pad--footer {
    color: #C3C3C3;
    text-align: center;
    font-size: 1.2em;
}

.signature-pad--actions {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    margin-top: 8px;
}