.postbox-card{
    padding: 1.25rem;
    margin: 1rem;

}

.unit_detail_box{
    display: inline-block;
    min-width: 8rem;
    max-width: 45%;
    padding: 0 2rem;
}   

.unit_detail{
    margin-top: 0.75rem;
    font-size: 1.25rem;
}

.feature_option {
    display: inline-flex;
    padding: 0.2rem 0.4rem 0.2rem 0.4rem;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 0.5rem;
    box-shadow: 0 0.25rem 0.5rem #ccc;
    margin-top: 0.4rem;
    margin-right: 0.2rem;
}

.action_btn{
    padding: 0.4rem 0.8rem;
    border: none;
    border-radius: 0.5rem;
    color: white;
    font-size: larger;
}

.approve_btn{
    background-color: green;
}

.approve_btn:hover{
    background-color: darkgreen;
}

.deny_btn{
    background-color: red;
}

.deny_btn:hover{
    background-color: darkred;
}

/* clearfix */
.clearfix::after {
    content: "";
    clear: both;
    display: table;
}