* {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 3rem;
    margin: 0;
    height: 100%;
}

.contacts a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2f2f2f;
    text-decoration: none;
    font-size: 3rem;
    font-family: sans-serif;
    line-height: 4rem;
    opacity: 0.9;
    transition: opacity 200ms;
}

.contacts a i:before {
    vertical-align: -.23em;
}

.contacts a:hover {
    color: #000;
}

.contacts a:active {
    color: #696969;
}