stylesheet.css

.row {
    display: grid;
    grid-template-columns: repeat( auto-fit, minmax(33.33%, 1fr) );
}

.bank {
    grid-column: span 1;
    background-color: #DCDCDC;
    border: solid;
    margin: 5px;
    padding: 100px;
    border-radius:6px;
    -moz-border-radius:6px;
    border-color: #696969;
}

#bank_title {
    color: 	#282828;
}

#balance_info {
    display: grid;
    background-color: #DCDCDC;
    border: solid;
    justify-content: center;
    width: 280px;
    padding: 5px;
    border-radius:6px;
    -moz-border-radius:6px;
    border-color: #696969;
}

.enter_balance {
    background: #F5F5F5;
    border: 1px solid black;
    border-radius: 5px;
    padding: 2px;
    margin: 5px;
}

#submit_balance {
    background: #E4E1E1;
    border: 1px solid black;
    border-radius: 5px;
}

table {
    border-collapse: separate;
    border: solid black 1px;
    border-radius: 6px;
    -moz-border-radius: 6px;
}

td, th {
    border-left:solid black 1px;
    border-top:solid black 1px;
}

th {
    background-color: #AEA7A7;
    border-top: none;
}

td:first-child, th:first-child {
     border-left: none;
}

.trans_type {
    background: #E4E1E1;
    border: 1px solid black;
    border-radius: 5px;
    padding: 2px;
    margin: 5px;
}

.submit_trans {
    background: #E4E1E1;
    border: 1px solid black;
    border-radius: 5px;
    padding: 5px;
    margin: 5px;
    width: 67px;
}

.transaction {
    background: #F5F5F5;
    border: 1px solid black;
    border-radius: 5px;
}