body{
    background-image: url("../img/pozadina.jpg");
    background-size: cover;
    background-attachment: fixed;
}

.glavni{
    height: 1000px;
    width: 65%;
    margin: auto;
    background-color: rgba(255, 255, 255, 0.5);
    border: dotted red 2px;
}

.box{
    height: 110px;
    width: 300px;
    padding: 0px 20px 20px 20px;
    margin: 0px 15px 15px 15px;
    overflow: auto;
    border-top: 10px solid red;
    border-left: 10px solid red;
    border-bottom: 10px double red;
    border-right: 10px dashed green;
}

.sadrzaj{

}

.p{
    display: inline-block;
    width: 400px;
    height: 100px;
    background-color: darkred;
    margin: 20px;
}