.hlta-container {
    position: relative;
}

.hlta-backdrop {
    position: absolute;
    overflow: hidden;
    border-color: transparent;
}

.hlta-highlight {
    background: FFDAE2AA;
    color: transparent; 
}

.hlta-container > .htla-textarea {
    position: relative;
    background: none transparent;
}

.hlta-highlight mark {
    padding: 0;
    background-color: #bbb7ff;
}