.tanggal{
    background-color: #009688;
    color: white;
    text-align: center;
    font-size: x-large;
    font-weight: bold;
}

.container{
    margin-top: 20px;
}

.col-sm-1{
    padding: 0;
}

.tanggal>span{
    display: block;
    background-color: #3a3a3a;
    font-size: medium;
}

article>h4{
    margin-bottom: 30px;
}

article>img{
    width: 100%;
    margin-bottom: 50px;
}

article>p{
    text-align: justify;
}

    /* properties change when using mobile screen */

/* @media only screen and (max-width: 900px) {

}

@media only screen and (max-width: 600px) {
    
} */