#main_input, #main_output{height: 300px !important;}
.stg_btn{
    border: 1px solid #1E70B9;
    min-width: 112px;
    height: 40px;
    background-color: #fff;
    color: #1E70B9;
    font-size: 15px;
    font-weight: 600;
}
.stg_btn.active,.stg_btn:hover{background-color: #1E70B9;color: #fff;}
.stg_btn:focus{background-color: #1E70B9;color: #fff;}
#main_output{font-weight:100;font-size: revert}
@media only screen and (max-width: 767px){.stg_btn{width:47%}}
@media only screen and (max-width: 400px){.stg_btn{width:90%}}