.back-top a:before {
    font-family: Themify;
    font-size: 3em;
    display: block;
    content: "\e648";
    padding: 0 0 0.56em;
    color: #8dc63f;
}
input[type=reset], input[type=submit], button {
    background-color: #000;
    color: #8dc63f;
    text-transform: uppercase;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.95em;
    padding: 11px 22px 6px 25px;
    cursor: pointer;
    border: none;
    border-radius: 0;
    letter-spacing: 0.02em;
    -webkit-appearance: none;
    appearance: none;
    outline: none;
}