body{
background:#f4f6f9;
}

.donation-card{
max-width:420px;
margin:auto;
border-radius:15px;
}

.target-card{
background-color:#025365;
color:white;
border-radius:15px;
}

.amount-btn{
border-radius:30px;
}

.amount-btn.active{
background:#198754;
color:white;
}

.extra-form{
display:none;
background:#f7f9fb;
border-radius:10px;
padding:15px;
}

.donation-btn{
font-size:18px;
padding:10px;
}

.donation-btn.active{
background:#198754;
color:white;
}