div{
    display: block;
    float: left;
}
body{
    background-color: grey
}

.racunalo{
    width: 300px;
    height: 450px;
    background-color: wheat;
    border-radius: 5px;
    margin: 0 auto;
    position: relative;
   margin-left: 480px;
 
    
}
.gumb{
   width: 200px;
   height: 50px;
   background-color: crimson;
   margin-left: 40px;
   border-radius: 5px;
   color: white;
}
.gumb:active{
    position: relative;
    top: 3px;
    left: 3px;

}

.cijena{
    width: 200px;
    height: 30px;
    background-color: orange;
    text-align: center;
    padding-top: 20px;
    margin-top: 10px;
    margin-bottom: 10px;
    margin-left: 40px;
    border-radius: 5px;
    

}
.laptop{
    width: 300px;
    height: 450px;
    background-color: wheat;
    border-radius: 5px;
   margin: auto;
   margin-left: 20px;
   position: relative;

  
}
.tablet{
    width: 300px;
    height: 450px;
    background-color: wheat;
    border-radius: 5px;
    margin: 0 auto;
    margin-left: 20px;
    position: relative;
}
.clearfix:after{
     content: "";
     display: table;
     clear: both;
}
.popust{
    width: 90px;
    position: absolute;
    top: -30px;
    right: -15px;
    
}