button.btn {
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    background: none;
    color: cornflowerblue;
    /* cursor: default; */
    font: inherit;
    line-height: normal;
    overflow: visible;
    -webkit-appearance: button; /* for input */
    -webkit-user-select: none; /* for button */
    -moz-user-select: none;
    -ms-user-select: none;
    padding: 10px;
    border: 1px solid cornflowerblue;
    cursor: pointer;
    margin-top: 10px;
}

button.btn:hover {
    background: cornflowerblue;
    color: white;
}

button.btn::-moz-focus-inner {
    border: 0;
    padding: 0;
}

footer {
    padding: 30px 15px 15px 15px;
}

a {
    color: cornflowerblue;
}