.btn_big{
    padding: 10px 20px;
    font-size: 16px;
    display: inline-block;
    vertical-align: top;
    user-select:none;
    transition:all ease .1s;
    border-radius: 4px;
    margin: 5px;
    box-shadow: 0 0 3pt 2pt rgba(0,0,0,.0);
} 

.btn_big:hover{
    box-shadow: 0 0 3pt 2pt rgba(0,0,0,.5);
    /*filter:  hue-rotate(45deg) saturate(80%);*/
}
.btn_big:active{
    box-shadow: 0 0 3pt 2pt rgba(0,0,0,.3);
    /*filter:  hue-rotate(90deg) saturate(80%);*/
}

.amber_green{
    color: #fff;
    background: #f0f0f0;
    background: #096;
    background: #009966;
    background: linear-gradient(to right, #DB7A04 0%,#19BC03 100%);
}
.amber_red{
    color: #fff;
    background: rgb(169,3,41); 
    background: linear-gradient(to right, rgba(169,3,41,1) 0%,rgba(150,75,0,1) 100%);
}