Div background-color does not extend to child divs

Question

I have a container div with several child divs within this. The parent div has a background-color, however, this doesn\'t seem to be extending to the last couple of child divs.

Answer 1

You need to add

after the last floating element within the parent div.

Your new codes becomes this:

body {
  background-color: #F8F8F8;
  font-family: 'Open Sans', sans-serif;
  text-transform: uppercase;
}

.container {
  display: block;
  max-width: 600px;
  height: 100%;
  margin: 20vh auto;
  padding: 0 3%;
  background-color: green;
  text-align: justify;
}

h1 {
  font-size: 1em;
  letter-spacing: 1px;
  font-weight: 700;
  padding-top: 20px;
}

ul {
  margin: 0;
  padding: 0;
}

.inline-row {
  display: inline-block;
  height: 56px;
  vertical-align: top;
}

li {
  list-style-type: none;
  margin: 20px auto;
}

.image-container {
  width: 24%;
  img {
    width: 100%;
    height: auto;
  }
}

.product {
  width: 58%;

  h2 {
    margin: 0;
    padding: 0;
    line-height: 28px;
    vertical-align: top;
  }
  p {
    margin: 0;
    padding: 0;
    line-height: 28px;
  }
}

.cost {
  width: 13%;
  text-align: right;
  p {
    margin: 0;
    padding: 0;
    line-height: 28px;
  }
}

.delete {
  float: right;
  width: 3%;
  text-align: right;
  font-size: 0.7em;
  font-weight: 700;
  line-height: 28px;
  cursor: pointer;
}

hr {
 margin-top: 30px;
}

.checkout {
  display: block;
  margin-top: 10px;
  width: 50%;
  float: right;
}

.left {
  display: block;
  width: 55%;
  float: left;
  line-height: 40px;
  text-align: right;
}

.right {
  display: block;
  width: 40%;
  margin: auto;
  float: right;
  cursor: pointer;
}

.button {
  height: 40px;
  width: 100%;
  border: 1px black solid;
  border-radius: 20px;
  text-align: center;
  line-height: 40px;
  font-weight: 700;
}
.clear{
  clear:both;
}

  
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barolo.
        
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Example here: https://jsfiddle.net/22L7engy/