Equally distributing height with CSS

Question

I have an HTML problem that is pretty tricky and I\'m not sure there is a CSS-based solution for it. Basically I have a three column grid. The first and third columns can contai

Answer 1

If you don't mind only working in a small handful of browsers, then you can absolutely do this with pure CSS. Go ahead, add and remove as many grandchild divs as you want:

http://codepen.io/cimmanon/pen/ldmtJ

/* line 5, ../sass/test.scss */
.wrapper {
  display: -webkit-flexbox;
  display: -ms-flexbox;
  display: -webkit-flex;
}
@supports (display: flex) and (flex-wrap: wrap) {
  /* line 5, ../sass/test.scss */
  .wrapper {
    display: flex;
  }
}

/* line 9, ../sass/test.scss */
.a, .b, .c {
  display: -webkit-flexbox;
  display: -ms-flexbox;
  display: -webkit-flex;
  -webkit-flex-flow: row wrap;
  -ms-flex-flow: row wrap;
  flex-flow: row wrap;
}
@supports (display: flex) and (flex-wrap: wrap) {
  /* line 9, ../sass/test.scss */
  .a, .b, .c {
    display: flex;
  }
}
/* line 13, ../sass/test.scss */
.a div, .b div, .c div {
  border: 1px solid;
  -webkit-flex: 1 0 100%;
  -ms-flex: 1 0 100%;
  flex: 1 0 100%;
}

/* Fancy it up! */
/* line 21, ../sass/test.scss */
.a {
  background: #ff9999;
  -webkit-flex: 1 1 10em;
  -ms-flex: 1 1 10em;
  flex: 1 1 10em;
}

/* line 26, ../sass/test.scss */
.b {
  background: #00e600;
  -webkit-flex: 1 1 10em;
  -ms-flex: 1 1 10em;
  flex: 1 1 10em;
}

/* line 31, ../sass/test.scss */
.c {
  background: #9999ff;
  -webkit-flex: 1 1 40%;
  -ms-flex: 1 1 40%;
  flex: 1 1 40%;
}


  

    
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Browser support: Opera, Chrome, IE10. When Firefox finally gets around to finishing supporting the current Flexbox draft including flex-wrap, then it will work there as well.