pr.css

*{
    box-sizing: border-box;
  }
  body{
    color: #222;
    background-color: #fff;
    font-family: 'Montserrat', sans-serif;
    transition: background-color .5s, color .5s;
    margin: 0;
    padding: 0;
  }
  .body--night-mode {
    background-color: #222;
    color: darken(white, 15%);
  }
  .header{
    text-align: right;
    width: 80vw;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    margin: auto  ;
   } 
  .header__title {
    display: block  ;
  }
  .tumbler__wrapper {
    margin-left: auto;
    width: 50px;
    height: 30px;
    background-color: black;
    border: darken(#aae2f1, 40);
    border-radius: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 6px;
    cursor: pointer;
    display: flex;
    position: relative;
   } 
    svg {
      width: 15px;
      height: 15px;
  }
    
  .tumbler {
    position: absolute;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background-color: #fff;
    transition: transform .5s, background-color .5s;
    will-change: transform;
  }
  .tumbler--night-mode  {
    transform: translateX(calc(100% - 2px));
    }
  .credits{
    display: none;
    }
  .sun-svg,
  .moon-svg{
    display: none;
   } 
  .main{
    width: 80vw;
    max-width: 500px;
    padding: 0 1rem;
    margin: auto;
  }
  .post {
    border-bottom: 1px dashed #222;
    margin-bottom: 1rem;
    transition: border-bottom .5s;
    }
  .post--night-mode{
    border-bottom: 1px dashed darken(white, 15%);
    }
  .post__title {
    font-weight: 700;
  }
    &:first-child {
      margin-top: 0;
    }
  .footer {
    width: 80vw;
    max-width: 500px;
    padding: 1rem;
    margin: 0 auto 1.5rem;
    }
  .description {
    display: flex;
     } 
  .description__text {
    margin-right: 0.25rem;
    }
  .loveSvg svg {
    display: block;
    height: 1rem;
    max-width: 1rem;
  }
  .btn {
    background-color: #684acb;
    color: white;
    padding: 14px 25px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    border-radius: 0.2rem;
  }