styles.scss

---
# Only the main Sass file needs front matter (the dashes are enough)
---

@import url('https://fonts.googleapis.com/css?family=Montserrat:500,700|Roboto+Slab:300,700');

// @import './_variables';
$card-width: 350px;
$card-height: 135px;
$text-color: #404040;
$grey: #aaaaaa;
$light-grey: #F5F5F5;
$white: #fff;
$green: #A0D1C5;
$dark-green: #5EA490;
$yellow: #F1BE02;
$dark-yellow: #B18B00;
$blue: #548696;
$dark-blue: #12586A;
$silver: #DDDDDD;
$orange: #E78352;

body {
  margin: 0;
}

.title {
  align-items: center;
  background-color: $text-color;
  display: flex;
  height: 94px;
  padding: 0 40px;
  font-family: "Montserrat";
  font-weight: 700;

  @media screen and (max-width: 768px) {
    align-items: center;
    flex-direction: column;
    height: 115px;
    justify-content: center;
    padding: 0 20px;
  }

  a {
    color: $white;
    font-size: 20px;
    letter-spacing: 3px;
    margin-right: 5%;
    text-transform: uppercase;
    text-decoration: none;

    @media screen and (max-width: 768px) {
      margin-bottom: 10px;
      font-size: 18px;
    }
  }

  .icon-book::before {
    font-size: 30px;
    margin-right: 15px;

    @media screen and (max-width: 768px) {
      font-size: 25px;
      margin-right: 8px;
    }
  }
}

.repos-section {
  padding: 70px 0;
}

.repos-section:nth-child(1) {
  background-color: $green;

  .repos-section__subhead {
    color: $dark-green;
  }
}

.repos-section:nth-child(2) {
  background-color: $yellow;

  .repos-section__subhead {
    color: $dark-yellow;
  }
}

.repos-section:nth-child(3) {
  background-color: $blue;

  .repos-section__subhead {
    color: $dark-blue;
  }
}

.repos-section__wrapper {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.repos-section__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 30px;
}

.repos-section__content {
  display: flex;
  flex-wrap: wrap;
  margin: auto;
  width: ($card-width + 40px) * 3;

  @media screen and (max-width: 1170px) {
    width: ($card-width + 40px) * 2;
  }

  @media screen and (max-width: 780px) {
    width: $card-width + 40px;
  }

  @media screen and (max-width: 780px) {
    width: auto;
    flex-direction: column;
  }
}

.repos-section__content a {
  color: $text-color;
  margin: 20px;
  text-decoration: none;  

  &:hover {
    color: $text-color;
  }

  @media screen and (max-width: 768px) {
    margin: 20px 0;
  }
}

.repos-section__subhead {
  text-transform: uppercase;
  font-family: "Montserrat";
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 2px;
  margin: 0;
}

.repos-section__title {
  font-size: 30px;
  font-family: "Montserrat";
  color: white;
  text-align: center;
  text-transform: uppercase;
  font-weight: 300;
  letter-spacing: 4.5px;
  margin: 0;

  @media screen and (max-width: 768px) {
    font-size: 24px;
  }
}

.repos-section__project {
  font-family:"Roboto Slab","ff-tisa-web-pro","Georgia",Arial,sans-serif;
  box-shadow: 0px 2px 3px 0px rgba(0,0,0,0.25);
  background-color: $white;
  height: $card-height;
  width: $card-width;
  box-sizing: border-box;
  padding: 20px 10px 10px 40px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: background 0.5s;

  &:hover {
    background-color: $light-grey;
  }

  @media screen and (max-width: 768px) {
    width: 300px;
  }
}

.repos-section__project__icon {
  bottom: -10px;
  left: -21px;
  position: absolute;
}

.repos-section__project__title {
  font-size: 24px;
  line-height: 28px;
  margin: 0;
  margin-bottom: 5px;

  @media screen and (max-width: 768px) {
    font-size: 20px;
  }
}

.repos-section__project__subtitle {
  font-size: 15px;
  line-height: 21px;
  font-weight: 300;
  margin: 0;

  @media screen and (max-width: 768px) {
    font-size: 14px;
  }
}

.repos-section--news {
  background-color: $light-grey;
  display: flex;
}

.repos-section__news-card {
  margin: auto;
  width: 340px;

  @media screen and (max-width: 768px) {
    width: 300px;
  }
}

.repos-section__news-card__title {
  font-size: 30px;
  font-family: "Roboto Slab","ff-tisa-web-pro","Georgia",Arial,sans-serif;
  color: $text-color;
  font-weight: bold;
  line-height: 0.933;
  text-align: left;
  z-index: 11;

  @media screen and (max-width: 768px) {
    font-size: 24px;
  }
}

.repos-section__news-card__content {
  align-items: center;
  background-color: $green;
  display: flex;
  flex-direction: column;
  height: 375px;
  justify-content: center;
  overflow: hidden;
  position: relative;

  a {
    z-index: 2;
  }
}

.repos-section__news-card__content-title {
  font-size: 20px;
  font-family: "Montserrat";
  color: $white;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 3px;
  line-height: 33px;
  margin-bottom: 0;
  text-align: center;
  z-index: 2;

  @media screen and (max-width: 768px) {
    font-size: 18px;
    line-height: 30px;
  }

  span {
    font-size: 30px;
    letter-spacing: 5px;

    @media screen and (max-width: 768px) {
      font-size: 26px;
    }
  }
}

.repos-section__news-card__content-button {
  background-color: $white;
  border-radius: 10px;
  color: $green;
  font-family: "Montserrat";
  font-size: 15px;
  letter-spacing: 3px;
  line-height: 1.2;
  margin: 20px 0;
  padding: 25px 0;
  text-align: center;
  text-transform: uppercase;
  width: 280px;
  z-index: 2;

  @media screen and (max-width: 768px) {
    font-size: 13px;
    letter-spacing: 2px;
    width: 245px;
  }
}

.repos-section__news-card__content-p {
  font-size: 12.5px;
  font-family: "Montserrat";
  color: rgb(255, 255, 255);
  letter-spacing: 1px;
  line-height: 1.6;
  text-align: center;
  z-index: 2;
}

.repos-section__news-card__icon {
  position: absolute;
  bottom: -40px;
  right: -75px;
}