.articles_hub {
    text-align: center;
}
.articles_hub a {
    background: #48B8E6;
    background-image: -webkit-linear-gradient(#279BE4, #48B8E6); 
    background-image: -moz-linear-gradient(#279BE4, #48B8E6); 
    background-image: -o-linear-gradient(#279BE4, #48B8E6); 
    background-image: linear-gradient( #279BE4, #48B8E6 );

    border-radius: 8px;
    box-shadow: 1px 1px 4px #48B8E6; 
    box-sizing: border-box;
    color: white;
    display: inline-block;
    font-size: 16px;
    height:32px;
    line-height: 32px;
    margin-bottom: 20px;
    padding: 0px;
    text-decoration: none;
    width:160px;
}