.wp-block-file__button {
background-color: #fedfaa!important;
color: black!important;
border-width: thin!important;
border-color: black!important;
border-style: solid;
border-radius: 10px;
margin: 1!important;
padding: 2px 4px!important;
}

.wp-block-file {
font-size: 13px!important;
}