.tooltipster-pochivka-yellow {
    border-radius: 0; 
    border: 1px solid #f1d031;
    background: #ffffa3;
    color: #555;
}
.tooltipster-pochivka-yellow .tooltipster-content {
    font-family: Arial, sans-serif;
    font-size: 12px;
    line-height: 1.2;
    padding: 8px 10px;
}

.tooltipster-pochivka-yellow .tooltipster-arrow-bottom-left {
    top: -1px !important;
}