*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  body{
    background-color: rgb(104, 103, 103);
  }
  h1{
    color: white;
    margin: 30px 0px 15px;
    text-align: center;
  }
  a{
    text-decoration: none;
    color: white;
  }
  .container{
    width: 1100px;
    margin: auto;
  }
  .desktop{
    background-color: white;
    border-radius: 7px;
    margin: 15px;
    padding-top: 15px;
    float: left;
    height: 450px;
    position: relative;
  }
    .laptop{
    background-color: white;
    border-radius: 7px;
    margin: 15px;
    padding-top: 15px;
    float: left;
    height: 450px;
    position: relative;
  }
    .tablet{
    background-color: white;
    border-radius: 7px;
    margin: 15px;
    padding-top: 15px;
    float: left;
    height: 450px;
    position: relative;
  }
img{
    height: 300px;
  }
  .cijena{
    text-align: center;
    padding: 10px;
    background-color: orange;
    width: 110px;
    height: 40px;
    border-radius: 5px;
    margin: 0 auto;
    margin-bottom: 10px;
  }
  .popust{
    width: 80px;
    height: 70px;
    position: absolute;
    top: -30px;
    right: -30px;
  }
  .kosarica{
    text-align: center;
    padding: 10px;
    background-color: red;
    width: 110px;
    height: 50px;
    border-radius: 5px;
    margin: 0 auto;
    margin-bottom: 10px;
  }
  .kosarica:active{
    position: relative;
    top: 5px;
    left: 5px;
  }
  ul{
    list-style: none;
  }