html,
body {
    min-height: 100vh;
    font-family: sans-serif;
}

body{
    background: url("../images/bgr-top-main.jpg") #0A0C1B;
    background-size: cover;
    background-repeat: no-repeat;
}
header{
    padding-top: 25px;
}

header img{
    width: 300px;
}
header a{
    display: block;
    color: #fff;
    text-decoration: none;
    height: 50px;
    line-height: 50px;
    padding: 0 45px;
    float: right;
    margin-right: 40px;
    border: 2px solid #fff;
    margin-top: 10px;
    cursor: pointer;
}
header a:hover{
    color: #d5b745;
    border: 2px solid #bea043;
}
.login-block{
    margin: 45px auto;
    display: block;
    max-width: 680px;
    background: rgba(0, 0, 0, .5);
    border: 6px solid #bea043;
    padding: 40px;
    color: #fff;
}
.login-block h2{
    color: #d5b745;
    margin-top: 0px;
}
.form-group {
    width: 49%;
    display: inline-block;
}
.form-group  input{
    width: 280px;
    line-height: 40px;
    padding: 0px 10px;
    margin-bottom: 20px;
    font-size: 15px;
}
.form-group  input.checkbox{
    width: auto;
    line-height: 30px;
    padding: 0px 10px;
    margin-bottom: 20px;
    vertical-align: text-top;
}
.form-group label{
    color: #d5b745;
    cursor: pointer;
}
.form-group  input:focus{
    outline: #bea043;
}
.btn-gold{
    color: #d5b745;
    border: 2px solid #bea043;
    background: #000;
    font-size: 18px;
    padding: 10px 20px;
    width: 305px;
}
.btn-gold:focus{
    outline: none;
}
.help-block {
    float: right;
    color: red;
    font-size: 15px;
    font-weight: normal;
}
@media only screen and (max-width: 768px){
    .form-group {
        width: 100%;
        display: inline-block;
    }
    .form-group input {
        width: 100%;
    }
    .btn-gold{
        width: 100%;
    }
    header img {
        width: 300px;
        display: block;
        margin: 0px auto;
    }
    header a{
        display: table;
        float: none;
        margin: 0px auto;
        margin-top: 20px;
    }
}