Тултип с указателем

.wpcf7-not-valid-tip:before {
content: » «;
border-left: 10px solid transparent;
border-right: 10px solid transparent;
border-top: 12px solid #ffffff;
position: absolute;
bottom: -8px;
right: 5px;
}
.wpcf7-not-valid-tip {
position: absolute;
right: 8px;
top: -38px;
font-size: 14px;
background: #fff;
border-radius: 5px;
padding: 0 10px;
font-weight: 600;
width: max-content;
}