body {
    margin: 0;
    background-image: url(../images/bg.png);
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    min-height: 100%;
}

a {
    color: #0969da;
    text-decoration: none;
}

html {
    font-size: 10pt;
    line-height: 1.4;
    font-weight: 400;
    font-family: 'Source Sans Pro', 'Open Sans', Roboto, 'HelveticaNeue-Light', 'Helvetica Neue Light', 'Helvetica Neue', 'Myriad Pro', 'Segoe UI', Myriad, Helvetica, 'Lucida Grande', 'DejaVu Sans Condensed', 'Liberation Sans', 'Nimbus Sans L', Tahoma, Geneva, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
}

img {
    border-radius: 5px;
}

span {
    margin-left: 10px;
    background-color: lightgray;
    border-radius: 10px;
    padding: 10px;
    word-wrap: break-word;
}

.header {
    overflow: hidden;
    background-color: #f1f1f1;
    padding: 20px 10px;
    border-radius: 5px;
}

.header a {
    float: left;
    color: black;
    text-align: center;
    padding: 12px;
    text-decoration: none;
    font-size: 18px;
    line-height: 25px;
    border-radius: 4px;
}

.header a.logo {
    font-size: 25px;
    font-weight: bold;
}

.header a:hover {
    background-color: #ddd;
    color: black;
}

.header a.active {
    background-color: dodgerblue;
    color: white;
}

.header-right {
    float: right;
}

footer {
    bottom:0;
    width: 100%;
    height:100px;
    font-size: 120%;
    text-align: center;
}

footer p {
    display: inline-block;
    border-bottom: 1px solid rgb(200, 200, 200);
    padding-bottom: 0.3em;
    margin-bottom: 16px;
}

.content {
    margin: 10px auto 0;
    padding: 1em;
    font-size: 140%;
    max-width: 1200px;
    background: white;
    box-shadow: rgba(0,0,0,.05) 0 3px 15px;
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";
}

.content a:hover {
    text-decoration: underline;
}

.content h1 {
    font-size: 2em;
    font-weight: 600;
    line-height: 1.25;
    border-bottom: 1px solid rgb(200, 200, 200);
    padding-bottom: 0.3em;
    margin-bottom: 16px;
}

.content h2 {
    font-size: 1.5em;
    font-weight: 600;
    line-height: 1.25;
    border-bottom: 1px solid rgb(200, 200, 200);
    padding-bottom: 0.3em;
    margin-bottom: 16px;
}

.about {
    font-size: 16px;
    font-weight: 900;
}

a[href^="tel:"]:before {
    content: "\260E";
    margin-right: 0.3em;
}

a[href^="mailto:"]::before {
    content: "\2709";
    margin-right: 0.2em;
}

@media screen and (max-width: 950px) {
    img {
        display: block;
        width: 100%;
        height: auto;
        margin-bottom: 10px;
    }

    span {
        margin-left: 0;
    }
}

@media screen and (max-width: 1170px) {
    .content {
        margin: auto;
    }

    .header a {
        float: none;
        display: block;
        text-align: center;
    }

    .header-right {
        float: none;
    }
}