.bootstrap-select{
    width: 15.6% !important;
    margin-left: 1% !important;
}

.bootstrap-select button{
    display: inline-block;
    vertical-align: top;
    height: 31px;
    -webkit-border-radius: 2px !important;
    -moz-border-radius: 2px !important;
    border-radius: 2px;
    background-color: rgba(255,255,255,.5) !important;
    border: solid 1px #868686 !important;
    font: 300 11px 'Roboto', sans-serif;
    color: #464646 !important;
    padding: 4px 8px !important;
    outline: none;
}
.dropdown-menu li a{
    background: transparent !important;
    color: black !important;
    width: 100% !important; 
}
@media only screen and (min-width: 320px) and (max-width: 991px){
    .bootstrap-select{
        width: calc(100% - 4px) !important;
    }
}