style.css

/* Default Values */
:root{
    --white : #fafafc;
    --darkGrayishBlue: hsl(217, 19%, 35%);
    --desaturatedDarkBlue: hsl(214, 17%, 51%);
    --grayishBlue: hsl(212, 23%, 69%);
    --lightGrayishBlue: hsl(210, 46%, 95%);
    --fontSize : 13px;
}

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

/* Fonts */
@font-face {
    font-family: "Manrope";
    src: url(fonts/Manrope-Medium.ttf);
    font-weight: 500;
}
@font-face {
    font-family: "Manrope";
    src: url(fonts/Manrope-Bold.ttf);
    font-weight: 700;
}

/* body */
body{
    font-family:"Manrope";
    font-size: var(--fontSize);
    height: 100dvh;
    width: 100dvw;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    display: grid;
    place-items: center;
    background: var(--lightGrayishBlue);
}

/* Maon Container */
.container{
    background:var(--white);
    width: calc(100% - 50px);
    max-width: 350px;
    box-sizing: border-box;
    overflow: hidden;
    border-radius: 10px;
    position: relative;
    transition:all 0.3s ease;
}

/* Article Image */
.postImg{
    aspect-ratio: 6/4;
    overflow: hidden;
    cursor: pointer;
}
.postImg img{
    width: 100%;
    transition: all .3s ease;
}
.postImg img:hover{
  transform: scale(1.2);
}

/* Article Info */
.postInfo{
    padding:20px;
    padding-bottom: 10px;
}

/* Post Title  */
.postTitle{
    font-size: 18px;
    color: var(--darkGrayishBlue);
    cursor: pointer;
}

/* Post Description */
.postDesc{
    line-height: 1.5;
    word-spacing: 1px;
    letter-spacing: 1px;
    color: var(--desaturatedDarkBlue);
}

/* Author Info */
.authorInfo{
    background:inherit;
    display: flex;
    align-items: center;
    position: relative;
    margin-top: 30px;
    background: inherit;
    height: 60px;
}

/* Author Img */
.authorImg{
    max-height: 40px;
    border-radius: 100%;
    margin-right: 10px;
}

/* Author Name */
.authorName{
  width: 100%;
  margin:0 0 3px 0;
  font-weight:700;
  color: var(--darkGrayishBlue);
}

/* Publish Date */
.publishDate{
  color: var(--desaturatedDarkBlue);
}

/* Post Share */
.shareBtn{
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: var(--lightGrayishBlue);
  height: 40px;
  aspect-ratio: 1/1;
  border-radius: 100%;
  z-index:3 ;
  transition: all .3s ease;
  cursor: pointer;
}
.shareBtn.active{
  transform:translateY(-50%) rotate(90deg);
  background: var(--desaturatedDarkBlue);
}
/* Share Iocn */
.shareBtn svg{
  fill:#6E8098;
}
.shareBtn.active svg{
  fill: var(--white);
}

/* Share Menu */
.shareMenu{
  position: absolute;
  background: var(--darkGrayishBlue);
  bottom: -80px;
  left:0;
  z-index: 2;
  height: 80px;
  width:100%;
  display: flex;
  align-items: center;
  padding: 0 30px;
  transition: all .3s ease-in-out;
  opacity: 0;
}
.shareMenu.active{
  bottom: 0;
  opacity: 1;
}

.shareMenu .text{
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--lightGrayishBlue);
  margin: 0 4% 0 0;
}
.shareMenu .icon{
  margin: 0 3%;
  display: grid;
  place-items: center;
}

/* Footer */
.attribution {
    left: 50%;
    font-size: 11px;
}

.attribution a {
    color: hsl(228, 45%, 44%);
}

/* Responaive Design */
@media screen and (min-width:767px){
  .container{
    display: flex;
    max-width: 700px;
    overflow: visible;
  }
  
  /* Post Image */
  .postImg{
    border-radius: 10px 0 0 10px;
    overflow: hidden;
  }
  .postImg img{
    height: 100%;
    width:100%;
  }

  /* Share Menu */
  .shareMenu{
    position: absolute;
    right: 4%;
    left: auto;
    bottom: 10%;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 100%;
    box-sizing: border-box;
    overflow: hidden;
    transition: all .4s ease;
    font-size: 12px;
    opacity: 0;
  }
  .shareMenu::before{
    height: 30px;
    width: 30px;
    content: '';
    display: inline-block;
    background: var(--darkGrayishBlue);
    z-index:-1;
    position: absolute;
    top: 70%;
    left: 83%;
    transform: rotate(45deg) translateX(-50%);
  }
  .shareMenu .icon{
    margin: 0 5%;
  }
  .shareMenu .icon img{
    height: 16px;
  }
  .shareMenu.active{
    box-sizing: border-box;
    overflow: visible;
    bottom: 30%;
    right: 2%;
    left: auto;
    width: auto;
    max-width: 300px;
    border-radius: 10px;
    height: 50px;
    padding: 0 50px 0 20px;
    opacity: 1;
  }
}