#contact-header {
    font-size: 4vh;
    margin: 10px;
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: auto;
    padding: 0 10px;
    overflow: hidden;
}

.contact-form-text {
    display: block;
    width: 100%;
    box-sizing: border-box;
    margin: 16px 0;
    border: 0;
    border-radius: 5px;
    background: #111;
    padding: 20px 40px;
    outline: none;
    opacity: 0.8;
    color: #d2dae2;
    transition: 0.9s;
}

.contact-form-text:focus {
    box-shadow: 0 0 10px 4px #34495e;
}

textarea.contact-form-text {
    resize: none;
    height: 120px;
}

.contact-form-btn {
    float: right;
    border: 0;
    background: #34495e;
    color: #d2dae2;
    padding: 12px 50px;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.5s;
}

.contact-form-btn:hover {
    background: #2980b9;
}

@media screen and (max-width: 650px) {
    #contact-header, .contact-form {
        text-align: center;
    }
}