style.css

/* ------------------ICONOS----------------- */
@font-face {
  font-family: "icomoon";
  src: url("fonts/icomoon.eot?hdqu4a");
  src: url("fonts/icomoon.eot?hdqu4a#iefix") format("embedded-opentype"),
    url("fonts/icomoon.ttf?hdqu4a") format("truetype"),
    url("fonts/icomoon.woff?hdqu4a") format("woff"),
    url("fonts/icomoon.svg?hdqu4a#icomoon") format("svg");
  font-weight: normal;
  font-style: normal;
  font-display: block;
}
[class^="icon-"],
[class*=" icon-"] {
  /* use !important to prevent issues with browser extensions that change fonts */
  font-family: "icomoon" !important;
  /* speak: never; */
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;

  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.icon-mail-forward:before {
  content: "\e900";
}
.icon-facebook2:before {
  content: "\ea91";
}
.icon-twitter:before {
  content: "\ea96";
}
.icon-pinterest:before {
  content: "\ead1";
}
/* ------------------ICONOS----------------- */

:root {
  --title: hsl(217, 19%, 35%);
  --texto: hsl(214, 17%, 51%);
  --date: hsl(212, 23%, 69%);
  --fondobody: hsl(210, 46%, 95%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--fondobody);
  font-size: 13px;
  font-family: "Manrope", sans-serif;
  color: var(--title);
}
.articulo {
  height: auto;
  width: 85%;
  max-width: 650px;
  display: flex;
  flex-wrap: wrap;
  margin: 25vh auto;
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 1px 3px 9px var(--date);
}
.articulo img {
  width: 100%;
  height: 180px;
  padding: 0;
  object-fit: cover;
}
.description {
  padding: 30px 30px 15px;
  position: relative;
}
.description-title {
  color: var(--title);
  font-size: 1.1em;
  margin-bottom: 15px;
  line-height: 1.4em;
}
.description-text {
  font-size: 0.9em;
  line-height: 1.4em;
  color: var(--texto);
}
.footer-article { 
  width: auto;
  height: auto;
  margin-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-datos {
  display: flex;
}
.footer-article img {
  margin-right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
.footer-perfil {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}
.footer-perfil p {
  color: var(--date);
  font-size: 0.8em;
}
.footer-perfil h4 {
  font-size: 0.9em;
}
.share {
  color: var(--title);
  background-color: var(--fondobody);
  border-radius: 50%;
  border: none;
  width: 25px;
  height: 25px;
  cursor: pointer;
  position: absolute;
  z-index: 6;
  right: 30px;
}
.share.is-active{
  background-color: var(--texto);
  color: #fff;
}
.footer-social {
  width: auto;
  height: 60px;
  background-color: var(--title);
  bottom: 0px;
  left: 0px;
  right: 0px;
  display: none;
  position: absolute;
  z-index: 5;
}
.footer-social.is-active {
  display: flex;
}
.footer-social p {
  color: var(--date);
  font-size: 0.9em;
  margin: 17px 20px 0px 30px;
}
.social-link i {
  margin-top: 17px;
  margin-right: 20px;
  display: inline-block;
  font-size: 1.3em;
  text-decoration: none;
  color: #fff;
}
.attribution {
  width: 100%;
  text-align: center;
  color: rgb(255, 10, 173);
  font-size: 0.8em;
}
.attribution a{
  color: rgb(255, 124, 2);
}
@media screen and (min-width: 1024px) {
  .articulo {
    overflow: visible; 
    width: 58%;
    flex-wrap: nowrap;
  }
  .articulo img {
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
    width: 250px;
    height: 250px;
  }
  .description {
    padding: 20px 35px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
  }
  .description-title {
    margin-bottom: 10px;
    font-size: 1.2em;
  }
  .description-text {
    font-size: 1em;
    margin-bottom: 20px;
  } 
  .footer-article {
    margin: 0;
    padding-top: 0;
  }
  .footer-article img {
    width: 35px;
    height: 35px;
  }
  .footer-social {
    padding: 0;
    border-radius: 10px;  
    width: 200px;
    height: 40px;
    bottom: 75px;
    left: 200px;
    z-index: 10;
  } 
  .footer-social::before {
    border-top: 15px solid var(--title);
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    content: '';
    display: block;
    position: absolute;
    width: 0;
    top: 35px;
    left: 90px;
  }
  .social-link i {
    margin-top: 11px;
  }
  .footer-social p{
    margin-top: 11px;
  }
}

@media screen and (min-width: 1100px){
  .footer-social {
    left: 250px;
    } 
}