/* X-Small devices (portrait phones, less than 576px)*/
/* No media query for `xs` since this is the default in Bootstrap*/
.buttonposfront{position:relative;top:-10px;}
.frontcard {border:solid 3px #fff;box-shadow: 4px 4px 4px #cdcdcd;background-image: linear-gradient(45deg, gold 25%, burlywood 75%);opacity: 1;
    height:250px;}
/* Small devices (landscape phones, 576px and up)*/
@media (min-width: 576px) {
    .buttonposfront{position:relative;top:0px;}
    .frontcard {border:solid 3px #fff;box-shadow: 4px 4px 4px #cdcdcd;background-image: linear-gradient(45deg, gold 25%, burlywood 75%);opacity: 1;
        height:250px;}
    }

/* Medium devices (tablets, 768px and up)*/
@media (min-width: 768px) {
    .buttonposfront{position:relative;top:-20px;}
    .frontcard {border:solid 3px #fff;box-shadow: 4px 4px 4px #cdcdcd;background-image: linear-gradient(45deg, gold 25%, burlywood 75%);opacity: 1;
        height:250px;}
    }

/* Large devices (desktops, 992px and up)*/
@media (min-width: 992px) {
    .buttonposfront{position:relative;top:-40px;}
    .frontcard {border:solid 3px #fff;box-shadow: 4px 4px 4px #cdcdcd;background-image: linear-gradient(45deg, gold 25%, burlywood 75%);opacity: 1;
        height:250px;}
    }

/* X-Large devices (large desktops, 1200px and up)*/
@media (min-width: 1200px) {
    .buttonposfront{position:relative;top:-40px;}
    .frontcard {border:solid 3px #fff;box-shadow: 4px 4px 4px #cdcdcd;background-image: linear-gradient(45deg, gold 25%, burlywood 75%);opacity: 1;
        height:250px;}
    }

/* XX-Large devices (larger desktops, 1400px and up)*/
@media (min-width: 1400px) {
    .buttonposfront{position:relative;top:-60px;}
    .frontcard {border:solid 3px #fff;box-shadow: 4px 4px 4px #cdcdcd;background-image: linear-gradient(45deg, gold 25%, burlywood 75%);opacity: 1;
        height:250px;}
    }