body,
html {
    min-height: 100%;
}

body {
    background-image: url('bg.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: #fff;
}

.title {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}
.title img {
    display: block;
    width: 100%;
}

#certificate {
    position: absolute;
    top: -100%;
    left: -100%;
}

#certificate2 {
    position: absolute;
    top: -100%;
    left: -100%;
}
.certificate {
    position: relative;
    width: 80vw;
    margin: 0 auto;
}
.certificate img {
    display: block;
    width: 100%;
}

@font-face {
    font-family: 'Yellowtail';
    src: url('Yellowtail-Regular.woff2') format('woff2'),
         url('Yellowtail-Regular.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

.certificate-name {
    position: absolute;
    z-index: 1;
    top: 29%;
    width: 100%;
    left: 0;
    text-align: center;
    font-size: 4vw;
    font-family: 'Yellowtail' !important;
}