scss 萨斯

Posted 2021-05-18

@mixin backface-visibility($visibility: hidden) { // mixin - snippet of code; takes arguments and default values
  backface-visibility: $visibility;
  -webkit-backface-visibility: $visibility;
  -moz-backface-visibility: $visibility;
  -ms-backface-visibility: $visibility;
  -o-backface-visibility: $visibility;
}

@mixin transform-style($style) {
   transform-style: $style;
  -moz-transform-style: $style;
  -o-transform-style: $style;
  -ms-transform-style: $style;
  -webkit-transform-style: $style;
}

@mixin transition($time) {
  transition: $time;
  -webkit-transition: $time;
  -moz-transition: $time;
  -o-transition: $time;
};

@mixin hover-color($color) { // & means parent; when used, will create pseudo-class hover
  &:hover {
    color: $color;
  }
}

@mixin stripes($direction, $width-percent, $stripe-color, $stripe-background: #FFF) {
  background: repeating-linear-gradient(
    $direction,
    $stripe-background,
    $stripe-background ($width-percent - 1),
    $stripe-color 1%,
    $stripe-background $width-percent
  );
}

@mixin transform($transformation) {
  transform: $transformation;
  -webkit-transform: $transformation;
  -moz-transform: $transformation;
  -ms-transform: $transformation;
  -o-transform: $transformation;  
}

@mixin photo-content($file) {
  object-fit: cover;
  content: url(#{$file}.jpg); // string interpolation - to customize links
}

$stripe-properties: to bottom, 15%, blue, white;

.notecard {
  width: 300px;
  height: 180px;
  border: 1px solid black;
  display: inline-block;
  margin: 20px;
  font-family: Roboto, sans-serif;
  box-shadow: 1px 1px 2px 2px rgba(0,0,0,.2);
  @include transform-style(preserve-3d);
  @include transition(0.4s);
  
  &:hover {
    @include transform (rotatey(-180deg));
  }
  
  .front, .back {
    width: 100%;
    height: 100%;
    position: absolute;
    @include backface-visibility;
  }
  
  .front {
  z-index: 3;
  font-size: 20px;

    .word {
      display: block;
      text-align: center;
      position: relative;
      top: 40%;
      @include hover-color(red);
    }    
  }
  
  
  .back {
  z-index: 1;
  word-wrap: break-word;
  line-height: 1.6;
  @include transform(rotatey(-180deg))
    
    .definition {
      width: 100%;
      height: 100%;
      @include stripes($stripe-properties...);
            
      .photo {
        width: 60%;
        margin: 0px auto;
        @include photo-content('titanosaur');
          
      }
    }
  }
}

@import url(https://fonts.googleapis.com/css?family=Pacifico);
//Add variables here:
$translucent-white: rgba(255,255,255,0.3); // variables
$icon-square-length: 300px;
$standard-border: 4px solid black;

h1 {
  font-family: Roboto, sans-serif;
  text-align: center;
}

.banner {
  font-family: 'Pacifico', cursive;
  height: 400px;
  background-image: url("lemonade.jpg");
  border : { // nesting
    top: $standard-border; // usage of variables
    bottom: $standard-border;
  }
  .slogan {
    position: absolute;
    border: $standard-border;
    top: 200px;
    left: 25%;
    width: 50%;
    height: 200px;
    text-align: center;
    background-color: $translucent-white;
    span {
      font-size: 24px;
      line-height: 200px;
    }
  }
}

.container {
  text-align: center;
  font-family: 'Pacifico', cursive;
  .icon {
    display: inline-block;
    margin: 2%;
    border: $standard-border;
    font-size: 32px;
    width: $icon-square-length;
    height: $icon-square-length;
  }
}