html {
    height:100%;
}

body {
    margin: 0px; 
    width:100%;
    height:100%;
}

.content {
    text-align: center;
    position: absolute;
    width:100%;
    height:100%;
    background:rgba(255,255,255,0.6)
}

.bk {
    width:100%;
    height:100%;
    background-image: url('/bk.jpeg');
    background-size:cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center;
    background-size: cover;

}

.title {
    font-size: 90px;
    font-weight: 700;
    line-height: 1.15em;
    color: #FFF;
    text-align: center;
    margin-top: 200px;
    margin-bottom: -20px;
    opacity: 0.75;
}

.demo-title {
    font-size: 30px;
    margin-top: 285px;
}

.sec {
    color: #ffffff;
    font-weight: 300;
    line-height: 1.5em;
    text-align: center;
    font-size: 18px;
}

a {
    cursor:pointer;
    background-color: #6e9fd7;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    color: #FFFFFF;
    border-radius: 30px;
    border: none;
    border-radius: 3px;
    position: relative;
    padding: 12px 30px;
    margin: 10px 1px;
    font-size: 12px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0;
    will-change: box-shadow, transform;
    transition: box-shadow 0.2s cubic-bezier(0.4, 0, 1, 1), background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
a:hover {
background-color: #0065d7;
}

.title_503 {
    font-size: 40px;
    color: #5a5a5a;
    font-weight: 900;
    margin-top: 300px;
}

@media only screen and (min-width: 1px) and (max-width: 767px) {
    .title_503 {
        font-size: 30px;
    }
}

.sec_503 {
    color: #5a5a5a !important;
    font-weight: 900 !important;
    font-size: 20px;
}