File: src/scss/style.scss

@import url("https://fonts.googleapis.com/css?family=Hind:300,400&display=swap");

$adeleye-faq-bg: #fff;
$adeleye-faq-text: #7288a2;
$adeleye-faq-gray: #4d5974;
$adeleye-faq-lightgray: #e5e5e5;
$adeleye-faq-blue: #03b5d2;

.faq-block-element-for-wp-frontend {
  margin: 0;
  padding: 0;
  font-family: "Hind", sans-serif;
  background: $adeleye-faq-bg;
  color: $adeleye-faq-gray;
  display: flex;
  min-height: 100vh;

  * {
    box-sizing: border-box;
    &::before,
    &::after {
      box-sizing: border-box;
    }
  }

  .container {
    margin: 0 auto;
    padding: 4rem;
    width: 48rem;
  }

  .accordion {
    .accordion-item {
      border-bottom: 1px solid $adeleye-faq-lightgray;
      button[aria-expanded="true"] {
        border-bottom: 1px solid $adeleye-faq-blue;
      }
    }
    button {
      position: relative;
      display: block;
      text-align: left;
      width: 100%;
      padding: 1em 0;
      color: $adeleye-faq-text;
      font-size: 1.15rem;
      font-weight: 400;
      border: none;
      background: none;
      outline: none;
      &:hover,
      &:focus {
        cursor: pointer;
        color: $adeleye-faq-blue;
        &::after {
          cursor: pointer;
          color: $adeleye-faq-blue;
          border: 1px solid $adeleye-faq-blue;
        }
      }
      .accordion-title {
        padding: 1em 1.5em 1em 0;
      }
      .icon {
        display: inline-block;
        position: absolute;
        top: 18px;
        right: 0;
        width: 22px;
        height: 22px;
        border: 1px solid;
        border-radius: 22px;
        &::before {
          display: block;
          position: absolute;
          content: "";
          top: 9px;
          left: 5px;
          width: 10px;
          height: 2px;
          background: currentColor;
        }
        &::after {
          display: block;
          position: absolute;
          content: "";
          top: 5px;
          left: 9px;
          width: 2px;
          height: 10px;
          background: currentColor;
        }
      }
    }
    button[aria-expanded="true"] {
      color: $adeleye-faq-blue;
      .icon {
        &::after {
          width: 0;
        }
      }
      + .accordion-content {
        opacity: 1;
        max-height: 9em;
        transition: all 200ms linear;
        will-change: opacity, max-height;
      }
    }
    .accordion-content {
      opacity: 0;
      max-height: 0;
      overflow: hidden;
      transition: opacity 200ms linear, max-height 200ms linear;
      will-change: opacity, max-height;
      p {
        font-size: 1rem;
        font-weight: 300;
        margin: 2em 0;
      }
    }
  }
}