mixin.scss
//-----------------------------------浏览器前缀-----------------------------------------
//例子：@include css3(transition, 0.5s);
@mixin css3($property, $value) {
@each $prefix in -webkit-,
-moz-,
-ms-,
-o-,
'' {
#{$prefix}#{$property}: $value;
}
} //-----------------------------------Retina图片-----------------------------------------
@mixin image-2x($image, $width, $height) {
@media (min--moz-device-pixel-ratio: 1.3), (-o-min-device-pixel-ratio: 2.6/2), (-webkit-min-device-pixel-ratio: 1.3), (min-device-pixel-ratio: 1.3), (min-resolution: 1.3dppx) {
/* on retina, use image that's scaled by 2 */
background-image: url($image);
background-size: $width $height;
}
} //-----------------------------------清除浮动-----------------------------------------
//引用例子：@include clearfix();
@mixin clearfix() {
&:before,
&:after {
content: "";
display: table;
}
&:after {
clear: both;
}
} //-----------------------------------Black和White-----------------------------------------
//特别声明，上面这个不属于Sass的Mixins范畴，是Sass的自定义函数功能。
//background:black(0.15);
//color:white(0.9);}
@function black($opacity) {
@return rgba(0, 0, 0, $opacity)
} @function white($opacity) {
@return rgba(255, 255, 255, $opacity)
} //-----------------------------------内阴影和外阴影-----------------------------------------
//引用例子:@include box-emboss(0.8, 0.05);
@mixin box-emboss($opacity, $opacity2) {
box-shadow: white($opacity) 0 1px 0, inset black($opacity2) 0 1px 0;
} //-----------------------------------行高-----------------------------------------
//引用例子:@include line-height (16);
@mixin line-height($heightValue: 12) {
line-height: $heightValue + px; //fallback for old browsers
line-height: (0.125 * $heightValue) + rem;
} //-----------------------------------隐藏文字-----------------------------------------
//引用例子：
//.logo{
// background: url("logo.png");
// height:100px;
// width:200px;
// @include hide-text;
//}
@mixin hide-text {
overflow: hidden;
text-indent: -9000px;
display: block;
} //-----------------------------------响应式断点-----------------------------------------
//引用例子：
//@include breakpoint(large) {
// width: 60%;
//}
//@include breakpoint(medium) {
// width: 80%;
//}
//@include breakpoint(small) {
// width: 95%;
//}
@mixin breakpoint($point) {
@if $point==large {
@media (min-width: 64.375em) {
@content;
}
}
@else if $point==medium {
@media (min-width: 50em) {
@content;
}
}
@else if $point==small {
@media (min-width: 37.5em) {
@content;
}
}
} //-----------------------------------正三角-----------------------------------------
//正三角的通用属性
%triangleBase {
_font-size: 0;
_line-height: 0;
_overflow: hidden;
width: 0;
height: 0; } //regulaTriangle:正三角(dashed默认透明)
//例子：@include regulaTriangle(top,red);
@mixin regulaTriangle($derection:bottom, $color: #000, $width: 20px) {
@extend %triangleBase;
border-width: $width;
//向右
@if $derection==right {
border-style: dashed dashed dashed solid;
border-color: transparent transparent transparent $color;
}
//向左
@if $derection==left {
border-style: dashed solid dashed dashed;
border-color: transparent $color transparent transparent;
}
//向上
@if $derection==top {
border-style: dashed dashed solid dashed;
border-color: transparent transparent $color transparent;
}
//向下
@if $derection==bottom {
border-style: solid dashed dashed dashed;
border-color: $color transparent transparent transparent;
}
} //-----------------------------------直角三角形-----------------------------------------
//right-angledTriangle:直角三角形
//例子：@include right-angledTriangle(1,red);
@mixin right-angledTriangle ($derection:1, $color:#000, $width: 20px, $opacity:transparent, $border:dashed) {
@extend %triangleBase;
border-width: $width;
//向右
@if $derection==1 {
border-style: $border dashed dashed $border;
border-color: $color $opacity $opacity $color;
}
//向右
@if $derection==2 {
border-style: $border $border dashed dashed;
border-color: $color $color $opacity $opacity;
}
//向右
@if $derection==3 {
border-style: dashed $border $border dashed;
border-color: $opacity $color $color $opacity;
}
//向右
@if $derection==4 {
border-style: dashed dashed $border $border;
border-color: $opacity $opacity $color $color;
}
} //-----------------------------------圆角-----------------------------------------
//radius:圆角
//例子：@include radius(24,100%);
@mixin radius($num:1234, $size: 5px) {
@if $num==1234 {
-webkit-border-radius: $size; //Saf3+, Chrome
-moz-border-radius: $size; //FF1+
border-radius: $size; //Opera 10.5, IE 9
-ms-border-radius: $size;
}
@if $num==12 {
-webkit-border-top-left-radius: $size;
border-top-left-radius: $size;
-webkit-border-top-right-radius: $size;
border-top-right-radius: $size;
-moz-border-top-left-radius: $size;
-ms-border-top-left-radius: $size;
-moz-border-top-right-radius: $size;
-ms-border-top-right-radius: $size;
}
@if $num==23 {
-webkit-border-top-right-radius: $size;
border-top-right-radius: $size;
-webkit-border-bottom-right-radius: $size;
border-bottom-right-radius: $size;
-moz-border-top-right-radius: $size;
-moz-border-bottom-right-radius: $size;
-ms-border-top-right-radius: $size;
-ms-border-bottom-right-radius: $size;
}
@if $num==34 {
-webkit-border-bottom-right-radius: $size;
border-bottom-right-radius: $size;
-webkit-border-bottom-left-radius: $size;
border-bottom-left-radius: $size;
-moz-border-bottom-left-radius: $size;
-moz-border-bottom-right-radius: $size;
-ms-border-bottom-left-radius: $size;
-ms-border-bottom-right-radius: $size;
}
@if $num==14 {
-webkit-border-top-left-radius: $size;
border-top-left-radius: $size;
-webkit-border-bottom-left-radius: $size;
border-bottom-left-radius: $size;
-moz-border-top-left-radius: $size;
-moz-border-bottom-left-radius: $size;
-ms-border-top-left-radius: $size;
-ms-border-bottom-left-radius: $size;
}
@if $num==13 {
-webkit-border-top-left-radius: $size;
-webkit-border-bottom-right-radius: $size;
-ms-border-top-left-radius: $size;
-ms-border-bottom-right-radius: $size;
border-top-left-radiu: $size;
-moz-border-top-left-radius: $size;
border-bottom-right-radiu: $size;
-moz-border-bottom-right-radius: $size;
}
@if $num==24 {
-webkit-border-top-right-radius: $size;
border-top-right-radius: $size;
-webkit-border-bottom-left-radius: $size;
border-bottom-left-radius: $size;
-moz-border-top-right-radius: $size;
-moz-border-bottom-left-radius: $size;
-ms-border-top-right-radius: $size;
-ms-border-bottom-left-radius: $size;
}
} //-----------------------------------边框阴影-----------------------------------------
//boxshadow:边框阴影
//例子：@include boxshadow(24,100%);
@mixin boxshadow($x: 3px, $y: 3px, $shadowcolor: #cccccc) {
-moz-box-shadow: $x $y 4px $shadowcolor; // FF3.5+
-webkit-box-shadow: $x $y 4px $shadowcolor; // Saf3.0+, Chrome
box-shadow: $x $y 4px $shadowcolor; // Opera 10.5, IE 9.0
filter: progid:DXImageTransform.Microsoft.dropshadow(OffX=#{$x}, OffY=#{$y}, Color='#{$shadowcolor}');
/* IE6,IE7 */
-ms-filter: "progid:DXImageTransform.Microsoft.dropshadow(OffX=#{$x}, OffY=#{$y}, Color='#{$shadowcolor}')";
/* IE8 */
} //-----------------------------------透明度-----------------------------------------
//myOpacity:透明度
//例子：@include myOpacity(0.3,93,197,16);
@mixin myOpacity($opacity:0.5, $r:0, $g:0, $b:0) {
$xx: $opacity * 100;
filter: alpha(opacity=$xx);
background-color: rgba($r, $g, $b, $opacity); // rgba()和opacity都能实现透明效果，但最大的不同是opacity作用于元素，以及元素内的所有内容的透明度，而rgba()只作用于元素的颜色或其背景色.两种都不被IE支持(IE9开始支持)
//如果要兼容ie文字不透明，需要用元素把文字包裹起来，然后色值position：relative或者absolute。
//opacity: $opacity;//opacity属性是css3的属性，也可以实现透明效果，跟background-color: rgba同样效果。
}
//-----------------------------------透明度-----------------------------------------
//引用例子:@include opacity(0.8);
@mixin opacity($opacity) {
opacity: $opacity;
$opacity-ie: $opacity * 100;
filter: alpha(opacity=$opacity-ie); //IE8
}
//-----------------------------------动画keyframes生成-----------------------------------------
//动画keyframes生成
//例子：@include keyframes(动画名称);
//@include keyframes(move-the-object) {
// 0% {
// transform: translateX(0);
// }
// 100% {
// transform: translateX(200px);
// }
//}
@mixin keyframes($animationName) {
@-webkit-keyframes #{$animationName} {
@content;
}
@-moz-keyframes #{$animationName} {
@content;
}
@-o-keyframes #{$animationName} {
@content;
}
@keyframes #{$animationName} {
@content;
}
}
.