.donate-block{
    width: 75%;
    margin: 0 auto;
}

.donate-block input{
    width: 70%;
    height: 40px;
    background: rgba(0,0,0,0.6);
    border: none;
    border-radius: 5px;
    outline: none;
    color: #fff;
    letter-spacing: 1px;
    text-align: center;
    margin: 20px 0;
}

.donate-block input::placeholder{
    color: #fff;
}

.donate-block select{
    width: 40%;
    height: 40px;
    background: rgba(0,0,0,0.6);
    border: none;
    border-radius: 5px;
    outline: none;
    color: #fff;
    letter-spacing: 1px;
    text-align: center;
    text-align-last: center;
}

.donate-block button{
    font-size: 12px;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    outline: none;
    background: #6be619;
    transition: .2s;
}

.donate-block button:hover{
    box-shadow: 0 0 8px #6be619;
    transition: .2s;
}