a {
  prop1: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop2: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop3: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop4: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop5: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop6: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop7: func(1px, 1px, 1px, func(1px, 1px, 1px, func(1px, 1px, 1px)));
  prop8: very-very-very-very-very-very-vey-very-very-long-func(
    1px,
    1px,
    1px,
    very-very-very-very-very-very-vey-very-very-long-func(
      1px,
      1px,
      1px,
      very-very-very-very-very-very-vey-very-very-long-func(1px, 1px, 1px)
    )
  );
  prop9: very-very-very-very-very-very-vey-very-very-long-func(
    1px,
    1px,
    1px,
    very-very-very-very-very-very-vey-very-very-long-func(
      1px,
      1px,
      1px,
      very-very-very-very-very-very-vey-very-very-long-func(1px, 1px, 1px)
    )
  );
  prop10: very-very-very-very-very-very-vey-very-very-long-func(
    1px,
    1px,
    1px,
    very-very-very-very-very-very-vey-very-very-long-func(
      1px,
      1px,
      1px,
      very-very-very-very-very-very-vey-very-very-long-func(1px, 1px, 1px)
    )
  );
  prop11: very-very-very-very-very-very-vey-very-very-long-func(
    1px,
    1px,
    1px,
    very-very-very-very-very-very-vey-very-very-long-func(
      1px,
      1px,
      1px,
      very-very-very-very-very-very-vey-very-very-long-func(1px, 1px, 1px)
    )
  );
}

.foo {
  --paddingC: calc(var(--widthB) / 2);
  content: attr(data-title);
  color: var(--main-bg-color);
  background-color: rgb(255, 0, 0);
  background: element(#css-source);
  padding-top: var(--paddingC);
  margin: 1 * 1 (1) * 1 1 * (1) (1) * (1);
  prop: -1 * -1 - (-1) * -1 -1 * -(-1) - (-1) * -(-1);
  prop4: +1;
  prop5: -1;
  prop6: word + 1; /* word1 */
  prop7: word - 1; /* word-1 */
  prop8: +1 +1 +1 +1; /* +1 +1 +1 +1 */
  prop9: -1 -1 -1 -1; /* -1 -1 -1 -1 */
  prop10: (-1);
  prop11: (+1);
  prop12: 10px/8px;
  prop13: round(1.5) / 2 round(1.5) / 2 round(1.5) / 2 round(1.5) / 2;
  prop14: 2 / round(1.5) 2 / round(1.5) 2 / round(1.5) 2 / round(1.5);
  prop15: (round(1.5) / 2) (round(1.5) / 2) (round(1.5) / 2) (round(1.5) / 2);
  prop16: (2 / round(1.5)) (2 / round(1.5)) (2 / round(1.5)) (2 / round(1.5));
  prop26: 8px/2px 8px /1 1/ 2px 1 / 2;
  prop27: 8px/2px 8px/1 1/2px 1/2;
  prop28: 8px / 2px 8px / 1 1 / 2px 1 / 2;
  prop29: (8px/2px) (8px/1) (1/2px) (1/2);
  prop30: (8px / 2px) (8px / 1) (1 / 2px) (1 / 2);
  prop32: func(8px/2);
  prop33: 5px + 8px/2px;
  prop34: func(+20px, +20px);
  prop35: 1+1+1+1;
  prop36: 1 + 1 + 1 + 1;
  prop37: 1 +1 1 +1;
  prop38: ++1;
  prop39: ++(1);
  prop40: --1;
  prop41: --(1);
  prop42: 1px+1px+1px+1px;
  prop43: 1px + 1px + 1px + 1px;
  prop44: -1+-1 - (-1)+-1 -1+-(-1) - (-1)+-(-1);
  prop45: round(1.5) * 2 round(1.5) * 2 round(1.5) * 2 round(1.5) * 2;
  prop46: 2 * round(1.5) 2 * round(1.5) 2 * round(1.5) 2 * round(1.5);
  prop47: (round(1.5) * 2) (round(1.5) * 2) (round(1.5) * 2) (round(1.5) * 2);
  prop48: (2 * round(1.5)) (2 * round(1.5)) (2 * round(1.5)) (2 * round(1.5));
  prop57: round(1.5) + 2 round(1.5) + 2 round(1.5) + 2 round(1.5) + 2;
  prop58: 2 + round(1.5) 2 + round(1.5) 2 + round(1.5) 2 + round(1.5);
  prop59: (round(1.5) + 2) (round(1.5) + 2) (round(1.5) + 2) (round(1.5) + 2);
  prop60: (2 + round(1.5)) (2 + round(1.5)) (2 + round(1.5)) (2 + round(1.5));
  prop69: "test"+1 "test" +1 "test"+ 1 "test" + 1;
  prop70: 1+"test" 1 +"test" 1+ "test" 1 + "test";
  prop71: "test"-1 "test" -1 "test"- 1 "test" - 1;
  prop72: 1-"test" 1 -"test" 1- "test" 1 - "test";
  prop73: calc(100% * 2px) calc(100% * 2px) calc(100% * 2px) calc(100% * 2px);
  prop74: calc(100% / 2px) calc(100% / 2px) calc(100% / 2px) calc(100% / 2px);
  prop75: calc(100%+2px) calc(100% +2px) calc(100%+ 2px) calc(100% + 2px);
  prop76: calc(100%-2px) calc(100% -2px) calc(100%- 2px) calc(100% - 2px);
  prop77: calc(-5px);
  prop78: calc(+5px);
  prop79: calc(-100px + 100px);
  prop80: calc(+100px + 100px);
  prop81: calc(100px - 100px);
  prop82: calc(100px + 100px);
}

.bar {
  prop1: attr(data-foo);
  prop2: attr(data-foo);
  prop3: attr(data-foo);
  prop4: attr(data-foo);
  prop5: attr(data-foo);
  prop6: attr(data-foo);
  prop7: attr(data-foo);
  prop8: attr(data-foo);
  prop9: "(" attr(title) ")";
  prop10: "(" attr(title) ")";
  prop11: "(" attr(title) ")";
  prop12: "(" attr(title) ")";
  prop13: "(" attr(title) ")";
  prop14: "(" attr(title) ")";
  prop15: "(" attr(title) ")";
  prop16: attr(length em);
  prop17: attr(length em);
  prop18: attr(length em);
  prop19: attr(length em);
  prop20: attr(data-size em, 20);
  prop21: attr(data-size em, 20);
  prop22: attr(data-size em, 20);
  prop23: attr(data-size em, 20);
  prop24: attr(data-size em, 20);
  prop25: attr(data-size em, 20);
}

.bar {
  filter: progid:DXImageTransform.Microsoft.gradient(enabled='false',startColorstr='#fff',endColorstr='#000');
  filter: progid:DXImageTransform.Microsoft.Shadow(color='#042b47', Direction=45, Strength=6) progid:DXImageTransform.Microsoft.Shadow(color='#042b47', Direction=135, Strength=6);
  -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#fad59f, endColorstr=#fa9907)";
}

.unicode-ranges {
  /* <unicode-range> values */
  unicode-range: U+26; /* single codepoint */
  unicode-range: U+0-7F;
  unicode-range: U+0025-00FF; /* codepoint range */
  unicode-range: U+4??; /* wildcard range */
  unicode-range: U+0025-00FF, U+4??; /* multiple values */
}