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HTML

            
              <h1>Hug O&#8217;War <small>Shel Silverstein<br><em>Where the Sidewalk Ends</em></small></h1>
<ul>
  <li>I will not play at <span class="tug">tug o&#8217; war</span>.</li>
  <li>I&#8217;d rather play at <span class="hug">hug o&#8217; war</span>,</li>
  <li>Where everyone <span class="hug">hugs</span></li>
  <li>Instead of <span class="tug">tugs</span>,</li>  
  <li>Where everyone <span class="giggles"><b>g</b><b>i</b><b>g</b><b>g</b><b>l</b><b>e</b><b>s</b></span></li>
  <li>And <span class="roll">rolls</span> on the rug,</li>
  <li>Where everyone <span class="kiss">kisses</span>,</li>
  <li>And everyone <span class="grin"><b>g</b><b>r</b><b>i</b><b>n</b><b>s</b></span>,</li>
  <li>And everyone <span class="cuddle">cuddles</span>,</li>
  <li>And everyone <span class="win">wins</span>.</li>
</ul>
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CSS

            
              @import "compass/css3";

@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,900,300italic);
@import url(https://fonts.googleapis.com/css?family=Roboto+Slab:400,100,300,700);

body {
  font-size:18px;
  line-height:1.7;
  color:#222;
  background:#fafafa;
  font-family: 'Source Sans Pro', sans-serif;
  font-weigh:300;
}
h1 {
  font-size:4em;
  margin-right:1.75em;
  font-weight:900;
  max-width:2em;
  line-height:1.1;
  small {
    font-size:0.2em;
    font-weight:300;
    display:block;
    margin-top:0.25em;
    em {
      font-style:italic;
    }
  }
}
li {
  font-family: 'Roboto Slab', serif;
  font-weight:300;
}

span {
  border-bottom:0.1em dotted darken(#fafafa,15%);
  cursor:pointer;
  @include transition(all 1s);
  &.tug:hover {
      font-weight:700;
      letter-spacing:0.3em;
      @include transition(all 1s);
    }
    &.hug:hover {
      font-weight:700;
      letter-spacing:-0.2em;
      @include transition(all 1s);
    }
    &.giggles:hover {
      font-weight:700;
      b {
        animation:giggles 0.25s infinite alternate;
        position:relative;
        @include transition(all 0.2s);
      }
      b:nth-child(2n+1) {
          animation:giggles 0.5s infinite;
          position:relative;
          @include transition(all 0.2s);
        }
        
    }
    &.grin:hover {
      position:relative;
      top:0.2em;
      font-weight:700;
      @include transition(all 1s);
      b {
        position:relative;
        @include transition(all 1s);
      }
      b:nth-child(1), b:nth-child(5) {
          top:-0.6em;
        }
        b:nth-child(2), b:nth-child(4) {
          top:-0.25em;
        }
    }
    &.kiss:hover {
      @include transition(all 0.5s);
      animation:pucker 1s ease-in-out;
    }
    &.roll, &.grin, &.kiss {display:inline-block;
    }
    &.roll:hover {
      @include transform(rotate(360deg));
      @include transition(all 1s);
      font-weight:700;
    }
    &.cuddle:hover {
      position:relative;
      @include transition(all 1s);
      font-weight:700;
      animation: cuddle 1s ease-in-out infinite alternate;
    }
    &.win:hover {
      font-weight:700;
      @include transition(all 1s);
      &:after {
          content:"\272D";
          position:absolute;
          display:block;
          width:100%;
          color:darken(yellow,25%);
          font-size:35em;
          top:0;
          right:0;
          z-index:-1;
          opacity:0.1;
          line-height:1;
          text-align:center;
        }
    }
    
}

@-webkit-keyframes pucker 
{
  0% {
    
  }
  90% {
    @include transform(scale(1.5));
    color:red;
  }
  95% {
    font-weight:700;
  }
  100% {
  }
}

@-webkit-keyframes giggles 
{
  0% {
    top:0.1em;
    
  }
  25% {
    top:0.15em;
    
  }
  50% {
    top:-0.1em;
  }
  75% {
    top:-0.05em;
    
  }
  100% {
    top:0.15em;
  }
}

@-webkit-keyframes cuddle 
{
  from {
    left:0;
    
  }
  to {
    left:0.5em;
    letter-spacing:-0.1em;
  }
}
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