CSS

text shadow effect

//offset 2px right and down with a 5px defusion of gray
h1 {
  text-shadow: 2px 2px 5px gray;
}

CSS Text Shadow Effect( cool)

 .hover-1 {
  line-height:1.8em;
  color: #0000;
  text-shadow: 
    0 0 #000, 
    0 1em #1095c1;
  overflow: hidden;
  transition: .3s;
}
.hover-1:hover {
  text-shadow: 
    0 1em #1095c1, 
    0 0 #1095c1;
}

Text Shadow Hover Effect

.hover-1 {
  line-height: 1.2em;
  color: #0000;
  text-shadow: 
    0 0 #000, 
    0 1.2em #1095c1;
  overflow: hidden;
  transition: .3s;
}
.hover-1:hover {
  text-shadow: 
    0 -1.2em #000, 
    0 0 #1095c1;
}

CSS Text Shadow Effect

 .hover-2 {
  /* the height */
  --h: 1.2em;

  line-height: var(--h);
  color: #0000;
  text-shadow: 
    0 var(--_t,var(--h)) #fff,
    0 0 var(--_c, #000);
  background: 
    linear-gradient(#1095c1 0 0) 
    bottom/100% var(--_d, 0) no-repeat;
  overflow: hidden;
  transition: 0.3s;
}
.hover-2:hover {
  --_d: 100%;
  --_t: 0;
  --_c: #0000;
}