.contact h2 {
    margin-bottom: 3rem;
}

 .contact form {
    max-width: 50rem;
    margin: 1rem auto;
    text-align: center;
    margin-bottom: 2rem;
}

.contact form .input-box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    color: rgba(0,0,0, .9);
    background: rgba(255,255,255,.8);
    border-radius: .8rem;
    margin: .7rem 0;
}

.contact form .input-box input {
    width: 49.5%;
    color: rgba(0,0,0, .9) ;
}

.contact form textarea {
    resize: none;
}

.contact form .btn {
    margin-top: 1rem;
    cursor: pointer;
}

.w3-top a {
    border-radius: .5rem;
}

.w3-top a:hover {
    background-color: blue;
}