a:not([href]).btn{color: #999; border-color:#999; background: transparent; opacity:0.6; cursor: not-allowed !important;}

/* ========================================== 
! Large devices (desktops, less than 1200px)
=========================================== */
@media (max-width: 1199.98px) {}

/*==========================================
! Medium devices (tablets, less than 992px)
========================================== */
@media (max-width: 991.98px) {
.btn-other{margin-bottom: 15px;}
}

/* =================================================  
! Small devices (lansscape phones, less than 768px)
================================================= */
@media (max-width: 767.98px){

}

/* ======================================================
! Extra small devices (portrait phones, less than 576px)
====================================================== */
@media (max-width: 575.98px) {}