#content {
    height: calc(100vh - 93px);
    display: flex;
}

#empty {
    width: 100%;
    height: 100%;
    text-align:center;
    display:table;
}

#empty h1 {
    display: table-cell;
    vertical-align: middle;
}

#articles {
    display: flex;
    flex-flow: column;
    overflow: hidden;
    border: 2px solid #000000;
    height: 100%;
    width: auto;
}

select {
    flex: 1;
    overflow-y: auto;
    border: none;
    outline: none;
    width: 100%;
}

option {
    padding: 10px;
}

#article-content {
    vertical-align: top;
    display: inline-block;
    height: 100%;
    overflow: hidden;
    flex: 1;
    padding: 20px;
}

.attachment {
    margin: auto;
    width: 100%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    flex-wrap: wrap;
    justify-content: center;
}

.attachment a {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
    width: 100%;
    height: 50px;
    border-radius: 3px;
    background: #00ad5f;

    font-family: Montserrat-Bold;
    font-size: 12px;
    color: #fff;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 1px;

    -webkit-transition: all 0.4s;
    -o-transition: all 0.4s;
    -moz-transition: all 0.4s;
    transition: all 0.4s;
}