html {
    position: relative;
    min-height: 100%;
}
body {
    padding-top: 50px;
    padding-bottom: 20px;
    margin-bottom: 150px;
}
footer {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 100px;
    margin-top: 150px;
    width: 100%;
    padding: 10px;
    color: #FFF;
}
footer a:hover {
    color: #11ade0;
}
.navbar {
    background: #00b7a0;
}
.nav-link {
    color: #FFF;
}
.nav-link:hover {
    color: #FFF;
}
.upload-btn-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
}
.custom-btn {
    font-size: 20px;
    font-weight: bold;
    cursor: pointer !important;
}
.upload-btn-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
}