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HTML

              
                <h3 class="hover-1">Hover Me</h3>
<h3 class="hover-2">Hover Me</h3>
<h3 class="hover-3">Hover Me</h3>
<h3 class="hover-4">Hover Me</h3>
              
            
!

CSS

              
                .hover-1 {
  --c: #1095c1; /* the color */
  --s: .15em;
  
  line-height:1.1em;
  padding-bottom: calc(2.1*var(--s));
  background: 
    conic-gradient(from 135deg at top,var(--c) 90deg,#0000 0) 
      left 0 bottom var(--s)/calc(2*var(--s)) var(--s) repeat-x,
    conic-gradient(from -45deg at bottom,var(--c) 90deg,#0000 0) 
      left var(--s) bottom 0/calc(2*var(--s)) var(--s) repeat-x;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0) 0/var(--_p,0%) padding-box no-repeat;
  transition: .5s;
}
.hover-1:hover {
  --_p: 100%;
  color: var(--c);
}

.hover-2 {
  --c: #1095c1; /* the color */
  --b: .1em;    /* border length*/
  --d: 20px;    /* the cube depth */
  
  --_s: calc(var(--d) + var(--b));
  
  color: var(--c);
  border: solid #0000;
  border-width: var(--b) var(--b) var(--_s) var(--_s);
  background:
    conic-gradient(at left var(--d)  bottom var(--d),
      #0000 90deg, rgb(255 255 255 /0.3) 0 225deg,rgb(255 255 255 /0.6) 0) border-box,
    conic-gradient(at left var(--_s) bottom var(--_s),
      #0000 90deg,var(--c) 0) 0 100%/calc(100% - var(--b)) calc(100% - var(--b))  border-box;
  transform: translate(calc(var(--d)/-1),var(--d));
  clip-path: 
    polygon(
     var(--d) 0%, 
     var(--d) 0%, 
     100% 0%, 
     100% calc(100% - var(--d)),
     100% calc(100% - var(--d)),
     var(--d) calc(100% - var(--d))
    );
  transition: 0.5s;
}
.hover-2:hover {
  transform: translate(0,0);
  clip-path: 
    polygon(
     0% var(--d), 
     var(--d) 0%, 
     100% 0%, 
     100% calc(100% - var(--d)), 
     calc(100% - var(--d)) 100%, 
     0% 100%
   );
}
.hover-3 {
  --b: 0.1em;   /* the thickness of the line */
  --c: #1095c1; /* the color */
  
  color: #0000;
  padding-block: var(--b);
  background: 
    linear-gradient(var(--c) 50%,#000 0) 0% calc(100% - var(--_p,0%))/100% 200%,
    linear-gradient(var(--c) 0 0) 0% var(--_p,0%)/var(--_p,0%) var(--b) no-repeat;
  -webkit-background-clip: text,padding-box;
          background-clip: text,padding-box;
  transition: .3s var(--_s,0s) linear,background-size .3s calc(.3s - var(--_s,0s));
}
.hover-3:hover {
  --_p: 100%;
  --_s: .3s;
}
.hover-4 {
  border: 8px solid;
  border-image: repeating-linear-gradient(135deg,#F8CA00 0 10px,#E97F02 0 20px,#BD1550 0 30px) 8;
  -webkit-mask: 
    conic-gradient(from 180deg at top 8px right 8px, #0000 90deg,#000 0)
     var(--_i,200%) 0  /200% var(--_i,8px) border-box no-repeat,
    conic-gradient(at bottom 8px left  8px,  #0000 90deg,#000 0)
     0   var(--_i,200%)/var(--_i,8px) 200% border-box no-repeat,
    linear-gradient(#000 0 0) padding-box no-repeat;
  transition: .3s, -webkit-mask-position .3s .3s;
}
.hover-4:hover {
  --_i: 100%;
  color: #CC333F;
  transition: .3s, -webkit-mask-size .3s .3s;
}

body {
  height: 100vh;
  margin: 0;
  display: grid;
  grid-template-columns: auto auto;
  gap: 20px 50px;
  place-content: center;
  align-items: end;
}
h3 {
  font-family: system-ui, sans-serif;
  font-size: 4rem;
  margin:0 auto;
  cursor: pointer;
  padding: 0 .1em;
}
              
            
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JS

              
                
              
            
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