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HTML 

              
                h1 Hand Drawn Buttons
button.but1 Button 1
button.but2 Button 2
button.but3 Button 3
button.but4 Button 4
button.but5 Button 5
button.but6 Button 6


svg(xmlns='http://www.w3.org/2000/svg' version='1.1').squigglysvg
  defs
    filter#squiggly-0
      feturbulence#turbulence(basefrequency='0.02' numoctaves='3' result='noise' seed='0')
      fedisplacementmap#displacement(in='SourceGraphic' in2='noise' scale='6')
    filter#squiggly-1
      feturbulence#turbulence(basefrequency='0.02' numoctaves='3' result='noise' seed='1')
      fedisplacementmap(in='SourceGraphic' in2='noise' scale='8')
    filter#squiggly-2
      feturbulence#turbulence(basefrequency='0.02' numoctaves='3' result='noise' seed='2')
      fedisplacementmap(in='SourceGraphic' in2='noise' scale='6')
    filter#squiggly-3
      feturbulence#turbulence(basefrequency='0.02' numoctaves='3' result='noise' seed='3')
      fedisplacementmap(in='SourceGraphic' in2='noise' scale='8')
    filter#squiggly-4
      feturbulence#turbulence(basefrequency='0.02' numoctaves='3' result='noise' seed='4')
      fedisplacementmap(in='SourceGraphic' in2='noise' scale='6')
    filter#squiggly-5
      feturbulence#turbulence(basefrequency='0.02' numoctaves='3' result='noise' seed='9')
      fedisplacementmap(in='SourceGraphic' in2='noise' scale='6')
!

CSS 

              
                button {
  --clr: #F9F6EF;
  --fg: #1f2020;
  border: none;
  cursor: pointer;
  color: var(--fg);
  background: transparent;
  padding: .7em 1.2em;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: inherit;
  width: max-content;
  position: relative;
  text-align: center;
  &:before {
    --clrs1: color-mix(in lab, var(--clr), #0000 50%);
  --clrs2: color-mix(in lab, var(--clr), #0000 20%);
  --clrs3: color-mix(in lab, var(--clr), #0000 60%);
  --clrs4: color-mix(in lab, var(--clr), #0000 98%);
    position: absolute;
    content: '';
    inset: 0;
    padding: .1em;
    border: 4px double var(--clr);
    border-radius: .1em .2em / .5em .23em;
    z-index: -1;
    transition: .25s ease;
    background: //var(--fg)
      linear-gradient(178deg, 
        var(--clrs1),
        var(--clrs2) 20% 70%,
        var(--clrs3) 90%,
        var(--clrs4)) 0 0 / 100% .3rem;
    background-clip: content-box;
    
    
  }
  transition: .1s linear;
  &:active {
    translate: .05em .1em;
    filter: drop-shadow(-.1em -.1em .1em color-mix(in srgb, var(--clr), transparent 50%));;
  }
  &:active:before {
    filter: url("#squiggly-0");
  }
  &:focus {
    outline: 2px dashed color-mix(in srgb, var(--clr), transparent 90%);
    outline-offset: .5rem;
    border-radius: .25em;
  }
  filter: drop-shadow(.1em .1em .1em color-mix(in srgb, var(--clr), transparent 50%));
}
.but1:before {  
  filter: url("#squiggly-0"); 
}
.but1:active:before {
  filter: url("#squiggly-5");
}
.but2 {
  --clr: hsl(80 75% 75%);
  &::before{
    filter: url("#squiggly-1");
  }
  
}
.but3{
  --clr: hsl(180 75% 75%);
  &:before {
    filter: url("#squiggly-2");
}
}
.but4{
  --clr: hsl(240 75% 75%);
  &:before {
    filter: url("#squiggly-3");
  }
}
.but5{
  --clr: hsl(320 75% 75%);
  &:before {
    filter: url("#squiggly-4");
  }
}

.but6{
  --clr: hsl(0 75% 75%);
  &:before {
    filter: url("#squiggly-5");
  }
}



@import url('https://fonts.googleapis.com/css2?family=Edu+NSW+ACT+Foundation:wght@400..700&family=Indie+Flower&family=Merienda:wght@300..900&display=swap')
;

h1 {
  font-family: "Edu NSW ACT Foundation", cursive;
  color: #F9F3EE; 
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 500;
  font-size: 2.7rem;
}

.squigglysvg {
  display: hidden;
  position: absolute;
  width: 0;
  height: 0;
}
body {
  font-family: "Merienda", cursive;

  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-content: center;
  place-items: center;
  
  gap: 2em;
  background-color: #1f2020;
  background-image:
    radial-gradient(
      #535150,
      #1f2020
    );
}
button:nth-of-type(2n-1) {
  justify-self: right;
}
button:nth-of-type(2n) {
  justify-self: left;
}
!

JS
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999px

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