.tooltip {
  /* triangle dimension */
  --b: 2em; /* base */
  --h: 1em; /* height*/

  border-image: fill 0//var(--h)
    conic-gradient(var(--c,#CC333F) 0 0); 
}
.bottom {
  clip-path: 
    polygon(0 100%,0 0,100% 0,100% 100%,
      calc(50% + var(--b)/2) 100%,
      50% calc(100% + var(--h)),
      calc(50% - var(--b)/2) 100%);
}
.top {
  clip-path: 
    polygon(0 0,0 100%,100% 100%,100% 0,
      calc(50% + var(--b)/2) 0,
      50% calc(-1*var(--h)),
      calc(50% - var(--b)/2) 0);
}
.right {
  clip-path: 
    polygon(100% 100%,0 100%,0 0,100% 0,
      100% calc(50% - var(--b)/2),
      calc(100% + var(--h)) 50%,
      100% calc(50% + var(--b)/2));
}
.left {
  clip-path: 
    polygon(0 100%,100% 100%,100% 0,0 0,
      0 calc(50% - var(--b)/2),
      calc(-1*var(--h)) 50%,
      0 calc(50% + var(--b)/2));
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-content: center;
  grid-template-columns: auto auto;
  gap: 30px;
  text-align: center;
  background: #f2f2f2;
}
.tooltip {
  color: #fff;
  font-size: 20px;
  font-weight: 500;
  font-family: sans-serif;
  padding: 1em;
  max-width: 25ch;
}