css图片右上角添加自定义文字的斜三角样式代码

使用方法

*, html {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

figure {
  margin: 0px;
}

img {
  max-width: 100%;
}

/* ================== Badge Products CSS ========================*/
.products {
  max-width: 100%;
  margin: 0 auto;
}

.products ul {
  margin: 0px;
  text-align: center;
}

.products ul li {
  width: 320px;
  height: 213px;
  background: #f8f8f8;
  display: inline-block;
  position: relative;
  margin: 15px;
  padding: 0px;
  box-sizing: border-box;
}

/* ================== Badge Overlay CSS ========================*/
.badge-overlay {
  position: absolute;
  left: 0%;
  top: 0px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 100;
  -webkit-transition: width 1s ease, height 1s ease;
  -moz-transition: width 1s ease, height 1s ease;
  -o-transition: width 1s ease, height 1s ease;
  transition: width 0.4s ease, height 0.4s ease;
}

/* ================== Badge CSS ========================*/
.badge {
  margin: 0;
  padding: 0;
  color: white;
  padding: 10px 10px;
  font-size: 15px;
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  line-height: normal;
  text-transform: uppercase;
  background: #ed1b24;
}

.badge::before, .badge::after {
  content: "";
  position: absolute;
  top: 0;
  margin: 0 -1px;
  width: 100%;
  height: 100%;
  background: inherit;
  min-width: 55px;
}

.badge::before {
  right: 100%;
}

.badge::after {
  left: 100%;
}

/* ================== Badge Position CSS ========================*/
.top-left {
  position: absolute;
  top: 0;
  left: 0;
  -ms-transform: translateX(-30%) translateY(0%) rotate(-45deg);
  -webkit-transform: translateX(-30%) translateY(0%) rotate(-45deg);
  transform: translateX(-30%) translateY(0%) rotate(-45deg);
  -ms-transform-origin: top right;
  -webkit-transform-origin: top right;
  transform-origin: top right;
}

.top-right {
  position: absolute;
  top: 0;
  right: 0;
  -ms-transform: translateX(30%) translateY(0%) rotate(45deg);
  -webkit-transform: translateX(30%) translateY(0%) rotate(45deg);
  transform: translateX(30%) translateY(0%) rotate(45deg);
  -ms-transform-origin: top left;
  -webkit-transform-origin: top left;
  transform-origin: top left;
}

.bottom-left {
  position: absolute;
  bottom: 0;
  left: 0;
  -ms-transform: translateX(-30%) translateY(0%) rotate(45deg);
  -webkit-transform: translateX(-30%) translateY(0%) rotate(45deg);
  transform: translateX(-30%) translateY(0%) rotate(45deg);
  -ms-transform-origin: bottom right;
  -webkit-transform-origin: bottom right;
  transform-origin: bottom right;
}

.bottom-right {
  position: absolute;
  bottom: 0;
  right: 0;
  -ms-transform: translateX(30%) translateY(0%) rotate(-45deg);
  -webkit-transform: translateX(30%) translateY(0%) rotate(-45deg);
  transform: translateX(30%) translateY(0%) rotate(-45deg);
  -ms-transform-origin: bottom left;
  -webkit-transform-origin: bottom left;
  transform-origin: bottom left;
}

.top-full {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  text-align: center;
}

.middle-full {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  text-align: center;
  -ms-transform: translateX(0%) translateY(-50%) rotate(0deg);
  -webkit-transform: translateX(0%) translateY(-50%) rotate(0deg);
  transform: translateX(0%) translateY(-50%) rotate(0deg);
}

.bottom-full {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
}

/* ================== Badge color CSS ========================*/
.badge.red {
  background: #ed1b24;
}

.badge.orange {
  background: #fa7901;
}

.badge.pink {
  background: #ee2b8b;
}

.badge.blue {
  background: #00adee;
}

.badge.green {
  background: #b4bd00;
}