body{
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #171717;
}

form {
    padding: 50px 55px;
    box-shadow: 0 0 20px rgba(0,0,0.2);
    border-radius: 20px;
    text-align: center;
    width: 340px;
    background-color:#e02f1f;
}
form h3 {
    color: #171717;
    font-size: 25px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

input ,textarea {
    background-color: #dcdcdc;
    padding: 20px 14px;
    margin-bottom: 25px;
    border: 0;
    border-radius: 10px;
    font-size: 15px;
    color: #171717;
}
::placeholder {
    color: #180402;
    font-size: 15px;
}

:focus {
    outline: 1px solid #1d0202e3;
}

.btn {
    box-shadow: 0 0 20px rgba(0,0,0.2);
    background-color: #caaa18f6;
    color: #180402;
    font-size: 17px;
    cursor:pointer;
}
.btn:hover{
    background-color: #dcdcdc;
}

.btn-3{
    box-shadow: 0 0 20px rgba(0,0,0.2);
    display: inline-block;
    padding: 13px 35px;
    margin-bottom: 10px;
    background-color: #e53e2e;
    color: #ffffff;
    font-size: 20px;
}

@media(max-width:991px) {
    body {
        padding: 30px;
    }

    form {
        width: 100%;
    }
}