body {
    background: #000 url('./back.jpg') no-repeat fixed -10% center;
    background-size: 100% auto;
}

#header {
    padding-top: 50px;
    line-height: 140px;
    text-align: center;
    /*vertical-align: bottom;*/
}

#company {
    font-family: Helvetica, Arial, sans-serif;
    color: #fff;
    font-size: 100px;
    line-height: 150px;
    font-weight: bold;
    padding-left: 30px;
    vertical-align: top;
    padding-bottom: 30px;
}

#slogan1 {
    font-family: Helvetica, Arial, sans-serif;
    color: #fff;
    font-size: 40px;
    line-height: 40px;
    font-weight: bold;
    vertical-align: top;
    text-align: left;
}

#slogan2 {
    font-family: Helvetica, Arial, sans-serif;
    color: #fff;
    font-size: 40px;
    line-height: 40px;
    font-weight: bold;
    vertical-align: top;
    text-align: right;
}

.parent {
    width: 100%;
    height: 100%;
    display: table;
    position: absolute;
    top: 0;
    left: 0;
}

.parent > .inner {
    display: table-cell;
    text-align: center;
    vertical-align: top;
}

.block {
    display: inline-block;
}

.btn-aq {
    -webkit-border-radius: 10;
    -moz-border-radius: 10;
    border-radius: 10px;
    font-family: Arial;
    color: #000000;
    font-size: 20px;
    background: rgba(255, 255, 255, 0.25);
    padding: 10px 20px 10px 20px;
    border: solid #ffffff 1px;
    text-decoration: none;
    position: fixed;
    right: 30px;
    width: 280px;
}

.btn-aq:hover {
    background: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

#btn1 {
    bottom: 210px;
}

#btn2 {
    bottom: 90px;
}

#btn3 {
    bottom: 150px;
    /*opacity: 0;*/
}

#btn4 {
    bottom: 150px;
    /*opacity: 0;*/
}

#btn5 {
    bottom: 30px;
}

#copyright {
    position: fixed;
    bottom: 10px;
    left: 10px;
    font-size: 12px;
    color: #fff;
}

#copyright >a {
    text-decoration: none;
    color: #fff;
}

.alert-aq {
    padding: 5px;
}