.t-menu-base__list-item a[href="#projects"] {
  position: relative;
  padding: 6px 14px;
  color: #fff; /* если текст белый */
}

.t-menu-base__list-item a[href="#projects"]::after {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 110%;
  height: 160%;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  pointer-events: none;

  /* SVG-обводка */
  background-image: url("data:image/svg+xml,%3Csvg width='95' height='48' viewBox='0 0 95 48' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M70.0004 12.9999C15.885 -2.66109 -26.9983 20.4999 25.0008 41.0001C51.6415 51.5029 108 46.4997 89.5006 20.4999C76.1322 1.71131 35.1016 -1.02065 12.0005 3.49985' stroke='white' stroke-width='2'/%3E%3C/svg%3E");
}