@import url(//fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600);

body {
    font-family: "Source Sans Pro", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

a:visited {
    color: inherit;
}

header, section#hero, section#contact {
  background-color: #a163f54d;
}

#topBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: #a163f54d;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    font-size: 18px;
}

#topBtn:hover {
    background-color: #555;
}

#about {
    font-size: 1.2rem;
}