#ec_bestsales {
    padding: 50px 0 100px;
}

.fl_bestsales {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
}

.fl_bestsales h2 {
    text-transform: uppercase;
    color: #1e4b70;
    font-size: 18px;
    font-weight: normal;
    margin-right: 17px;
    margin-bottom: 0;
}

#salesperiod,
#nbtodisplay {
    position: relative;
    border: 0;
    background: none;
    color: #000;
    padding: 0;
    padding-right: 25px;
    height: auto;
    cursor: pointer;
    z-index: 1;
}

#ec_bestsales .request,
#ec_bestsales .display_nbprod {
    position: relative;
    margin-right: 25px;
}

#ec_bestsales .display_nbprod {
    display: flex;
}

#ec_bestsales .request:after,
#ec_bestsales .display_nbprod:after {
    content: '<';
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%) rotate(270deg);
    z-index: 0;
}

#salesperiod:focus,
#nbtodisplay:focus {
    outline: 0;
}

#ec_bestsales .display_nbprod span {
    margin-right: 4px;
}

@media (max-width: 767px) {
    .fl_bestsales {
        flex-wrap: wrap;
        margin-bottom: 25px;
    }

    .fl_bestsales h2 {
        text-align: center;
        flex-basis: 100%;
        margin-bottom: 10px;
        margin-right: 0;
    }

    #ec_bestsales .request, 
    #ec_bestsales .display_nbprod {
        flex-basis: 50%;
        margin-right: 0;
    }
}