.btn-fixed-end {
    position: fixed;
    right: 0;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.btn-fixed-start {
    position: fixed;
    left: 0;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}
.btn-fixed-top {
    position: fixed;
    left: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}
.btn-fixed-bottom {
    position: fixed;
    left: 0;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}
.btn-download {
    position: fixed;
    z-index: $zindex-general;
    right: 0;
    bottom: 0;
    margin: $spacer * 1.25;
    // .btn {
    //     background: $danger;
    //     color: $white;
    //     box-shadow: 0 0 30px rgba($danger, .35);
    //     transition: all 400ms ease;
    //     &:hover {
    //         transition: all 400ms ease;
    //         background: shade-color($danger, 10%);
    //         box-shadow: 0 0 40px rgba($danger, .5);
    //     }
    // }
}