<ol class="steps">
  <li>Dice the potatoes and boil them in lightly salted water, until tender when jabbed with a fork.</li>
  <li>Dice the potatoes and boil them in lightly salted water, until tender when jabbed with a fork.</li>
  <li>Dice the potatoes and boil them in lightly salted water, until tender when jabbed with a fork.</li>
  <li>Dice the potatoes and boil them in lightly salted water, until tender when jabbed with a fork.</li>
  <li>Dice the potatoes and boil them in lightly salted water, until tender when jabbed with a fork.</li>
</ol>

.steps {
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  padding-left: 2%;
}
.steps li {
  margin: 2em 0;
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  position: relative;
  counter-increment: inst;
}
.steps li::before {
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  background: rgba(255, 150, 0, 0.35);
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  height: 1.35em;
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  transition: all 0.2s ease-in-out;
  
  z-index: -1;
}
@media (min-width: 33em) {
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    border-radius: 50%;
    font-size: 1.5em;
    height: 1.35em;
    margin-left: 2.5%;
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}

body {
  font-size: 25px;
}