* {
    box-sizing: border-box;
    margin: 0;
}

body {
    background-color: rgb(122, 177, 177);
    font-family: 'Times New Roman', Times, serif;
}

#podebljana_slova {
    font-weight: bolder;
    font-size: xx-large;
    text-align: center;
    background-color: rgba(0, 92, 92, 0.582);
}

span {
    font-weight: bolder;
}

.primjer {
    background-color:rgba(16, 133, 133, 0.582);
    width: 300px;
    height: 150px;
    border: 5px solid steelblue;
    margin: 15px;
    padding: 5px;
    border-radius: 10px;
}