/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: hsl(227, 10%, 10%);
    color: #fff;
    font-family: 'Fira Sans', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 100vh;
    flex-direction: column;
}

h1 {
    margin-bottom: 10px;
    font-weight: 400;
}

p {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

a {
    text-decoration: none;
}

/* Button Base Style */
button {
    background: none;
    border: 2px solid;
    font: inherit;
    padding: 1em 2em;
    margin: 0.5em;
    cursor: pointer;
    transition: 0.25s;
    color: var(--color);
}

button:hover, button:focus {
    color: #fff;
    border-color: var(--hover);
}

/* Button Types */
.fill      { --color: #a972cb; --hover: #cb72b3; }
.pulse     { --color: #ef6eae; --hover: #efb66e; }
.raise     { --color: #ffa260; --hover: #a2ff60; }

/* Hover Effects */
.fill:hover {
    box-shadow: inset 0 0 0 2em var(--hover);
}

.pulse:hover {
    animation: pulse 1s;
    box-shadow: 0 0 0 2em transparent;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 var(--hover); }
}

.raise:hover {
    box-shadow: 0 0.5em 0.5em -0.4em var(--hover);
    transform: translateY(-0.25em);
}

/* Footer */
footer {
    margin-top: 30px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

footer a {
    color: #e4cb58;
}