quarante-douze-static/scss/_cards.scss

/*
 *  4 - Cards( _cards.scss )
 *  
 *  This part of the (s)css handle the style of cards-like elements,
 *  elements that are supposed to handle contents inside a box.
 *
 *  Elements like alerts, breadcrumb… are considered as "card-like".
 *
*/

@mixin card-color($background-color, $text-color) {
  & > .card-header { background-color: $background-color; color:$text-color; }
}

.card {
  @include border-radius();
	box-shadow: $large-shadow;
  border: none;
  margin-bottom:1.2em;
}

.card {
  &-blue { @include card-color($color-blue, #FFF); }
  &-violet { @include card-color($color-violet, #FFF); }
  &-purple { @include card-color($color-purple, #FFF); }
  &-red { @include card-color($color-red, #FFF); }
  &-orange { @include card-color($color-orange, #FFF); }
  &-green { @include card-color($color-green, #FFF); }
  &-skyblue { @include card-color($color-skyblue, #FFF); }
  &-dark { @include card-color($color-dark, #FFF); }
  &-light { @include card-color($color-light, #111); }
  &-turquoise { @include card-color($color-turquoise, #FFF); }
  &-yellow { @include card-color($color-yellow, #FFF); }
  &-brown { @include card-color($color-brown, #FFF); }
  &-grey { @include card-color($color-grey, #FFF); }
  
  &-primary { @include card-color($color-primary, #FFF); }
  &-secondary { @include card-color($color-secondary, #FFF); }
  &-warning { @include card-color($color-warning, #FFF); }
  &-danger { @include card-color($color-danger, #FFF); }
  &-info { @include card-color($color-info, #FFF); }
  &-success { @include card-color($color-success, #FFF); }
}

.card-shadow {
  box-shadow: $large-shadow, $inset-shadow;
}

/* 4.1 - Header and titles */

.card-header {
  @include borders();
  font-size:1.1em;
  box-shadow: $inset-relief;
	text-shadow: 0px 1px 1px rgba(0,0,0,0.3);
  font-weight:600;
  border-radius: 0;
  
  &:first-child {
    @include border-radius();
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }
  
  &:last-child {
    @include border-radius();
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }
  
  h1, h2, h3, h4, h5, h6, h7, h8, h9, h10  {
    font-family: 'OpenSans';
    font-size:1em;
    text-shadow: 0px -1px 0px rgba(0,0,0,0.3);
    padding:0px;
    margin:0px;
    color:#FFF;
    font-weight:600;
    line-height:1.5em;
  }
}

/* 4.2 - Cards meta */

.card-meta {
  @include border-radius();
	padding:1em;
  box-shadow: $large-shadow, $inset-shadow;
  border: 0;
  background-color:#eeeeec;
  margin-bottom:1.2em;
  @include li-no-margin();
  
  &.media {
    -ms-flex-align: center !important;
    align-items: center !important;
  }
  
  .media-left .media-object {
	  height: 64px;
	  width: 64px;
	  border-radius: 100%;
    margin-right:1em;
  }
  
  img.avatar {
    border-radius: 100%;
    margin-right:1em;
  }
  
  
  author {
	  display:block;
	  font-weight:600;
  }

  time {
  	display:block;
  	font-style:italic;
  }
  
  @include li-no-margin();
}
/* 4.3 - Cards list-groups */

section.widget {
  ul {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    li {
      list-style: none;
      padding: 0;
      margin: 0;
      &.recentcomments {
        position: relative;
        display: block;
        padding: .75rem 1.25rem;
        margin-bottom: -1px;
        background-color: #fff;
        border: 0px solid rgba(0,0,0,.125);
        list-style: none;
      }
      a {
        position: relative;
        display: block;
        padding: .75rem 1.25rem;
        margin-bottom: -1px;
        background-color: #fff;
        border: 0px solid rgba(0,0,0,.125);
        list-style: none;
        &:hover {
          background-color: #eee;
          text-decoration: none; 
        }
      }
    }
  }
}

.list-group-item {
	border: none;
	background-color:transparent;
}

a.list-group-item:hover {
	border-style:none;
	border-width:0px;
	border-radius:0px;
	background-color:rgba(0,0,0,0.1);
}

/* 4.4 - Cards list-groups */

@mixin alert-color($background-color) {
  background-color: lighten($background-color, 35%);
  color: darken($background-color, 80%);
}

.alert {
  @include borders();
  @include border-radius();
  color:rgba(0, 0, 0, 0.7);
  box-shadow: $large-shadow;
  &-flex {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    & > p {
      padding-bottom: 0;
    }
  }
}

.alert {
  &-blue { @include alert-color($color-blue); }
  &-violet { @include alert-color($color-violet); }
  &-purple { @include alert-color($color-purple); }
  &-red { @include alert-color($color-red); }
  &-orange { @include alert-color($color-orange); }
  &-green { @include alert-color($color-green); }
  &-skyblue { @include alert-color($color-skyblue); }
  &-dark { @include alert-color($color-dark); }
  &-light { @include alert-color($color-light); }
  &-turquoise { @include alert-color($color-turquoise); }
  &-yellow { @include alert-color($color-yellow); }
  &-brown { @include alert-color($color-brown); }
  &-grey { @include alert-color($color-grey); }  
  
  &-primary { @include alert-color($color-primary); }
  &-secondary { @include alert-color($color-secondary); }
  &-warning { @include alert-color($color-warning); }
  &-danger { @include alert-color($color-danger); }
  &-info { @include alert-color($color-info); }
  &-success { @include alert-color($color-success); }
}

.alert a, .alert-link {
  color:rgba(0, 0, 0, 0.7);
  font-weight:bold;
}

/* 4.5 - Breadcrumbs */

.breadcrumb {
  @include border-radius();
	box-shadow: $large-shadow, $inset-shadow;
  border: 0;
  background-color:#eeeeec;
  margin-bottom:1.2em;
  @include li-no-margin();
}