.p-front-important a{
  position: relative;
  z-index: 1;
}

.p-front-important a::before{
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 20px);
  height: 1px;
  background-color: #d6d0cd;
}

.p-front-important a:last-child::before{
    display: none;
}