body {
    background-color: #0a0a0a;
    background-image: url('../images/bg_main_intro1.jpg');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center;
    background-size: auto 100%;
    cursor: url('../images/cursor.cur'), auto;
}

.parent {
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

    -ms-flex-align: center;
    -webkit-align-items: center;
    -webkit-box-align: center;
    align-items: center;

    width: 100%;
    height: 100%;
    position: fixed;
    border: none;
}

.child {
    display: inline-block;
    border: none;
    padding: 1rem 1rem;
    margin: auto;
}

.button {
    background-color: Transparent;
    background-repeat:no-repeat;
    background-position: center;
    border: none;
    color: white;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: auto;
    cursor: pointer;
    width: 400px;
    height: 250px;
}

.button:hover {
    filter: grayscale(0%);
    -webkit-filter: brightness(150%);
    filter: brightness(150%);
    cursor: url('../images/cursor-get.cur'), auto;
}

.btn_sv1 {
    background-image: url('../images/logo1.png');
}
.btn_sv2 {
    background-image: url('../images/logo2.png');
}