.bordertest {

       border: 30px solid hsla(0,0%,90%,.5);

       background: #bbb;

       background-clip: padding-box;

       width:500px;

       height:300px;

 }

 .bordertest1 {

       background: lightblue;

       box-shadow: 0 0 0 10px #000,

                   0 0 0 20px #888,

                   0 0 0 30px #aaa;

       width:300px;

       height:200px;

       position: absolute;

       top:100px;

       left:100px;

       padding: 10px;

 }

 .bordertest2{

      background: lightblue;

      border: 10px solid #000;

      outline: 10px dashed #888;

      width:300px;

      height:200px;

      position: absolute;

      top:100px;

      left:500px;

      padding: 10px;

 }

.bordertest3{

     background: lightblue;

     border: 15px solid lightblue;

     border-radius: 5px;

     outline: 3px dashed #fff;

     outline-offset: -10px;

     width:300px;

     height:200px;

     position: absolute;

     top:100px;

     left:900px;

     padding: 10px;

}