create ribbon with css

Question

I have sidebar menu finally created. now I need create ribbon on selected item like show image (red) (I need really gray color ribbon). But I don\'t want use image background an

Answer 1

this will have to be adapted to your needs, but something using pseudo elements would make this possible:

.box{
  height:300px;
  width:300px;
  box-shadow:inset 0 0 15px #222;
  position:relative;
  margin:0 auto;
  background:gray;
  }

.active{
  position:absolute;
  top:30px;
  left:-5%;
  height:30px;
  width:105%;
  background:tomato;
  border-radius: 5px 0 0 0;
  }
.active:before{
  content:"";
  position:absolute;
  height:16px;
  top:5px;
  left:0;
  width:100%;
  border-top:2px dashed red;
  border-bottom:2px dashed red;
  }
.active:after{
  content:"";
  position:absolute;
  right:-10px;
  height:20px;
  width:20px;
  top:5px;
  background:tomato;
  border-radius: 0 5px 0 0;
  transform:rotate(45deg);  
  }
.active a{
  position:absolute;
  top:0;
  left:0;
  height:100%;
  width:100%;
  text-align:center;
  display:inline-block;
  text-decoration:none;
  line-height:30px;
  }
.active a:after{
  content:"";
  position:absolute;
  bottom:-15px;
  left:6px;
  height:30px;
  width:30px;
  background:darkred;;
  transform:rotate(45deg);  
  z-index:-2;
  }

  some text
  

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note

the transform property will require prefixes as well.