Hello,
Replace the previous code by the following
@media only screen and (max-width:560px){
.my_account_orders td {
font-size: .77rem;
}
.my_account_orders td .button {
font-size: .77rem;
padding: 0;
height: auto;
border: none;
background:transparent;
}
.my_account_orders td .button:hover{
color:#c62929;
text-decoration: underline;
}
}
Regards