.otz-txt {
    position:relative;
}

.otzyv-block {
    height:auto;
}

.otz-txt.readmore {
    overflow-y:hidden;
    cursor:pointer;
}

.otz-overlay__toggle-icon {
    display:none;
}

.otz-txt.readmore .otz-overlay__toggle-icon {
    display:block;
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    text-align:center;
}

.otz-txt.readmore .otz-overlay {
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background: linear-gradient(180deg, rgba(247,247,247,0) 0%, rgba(247,247,247,1) 100%);
}
.otz-txt.readmore.opened {
    overflow-y:visible;
    height:auto !important;
}

.otz-txt.opened .otz-overlay,
.otz-txt.opened .otz-overlay__toggle-icon {
    display:none;
}