.quizzes_filter {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.quizzes_filter > * {
    margin-right: 20px;
    margin-bottom: 20px;
}
.quizzes_filter #quiz_title {
    max-width: 300px;
}
.quizzes_filter select {
    width: 200px;
    -webkit-appearance: menulist;
}
.quizzes_filter .btn-main {
    padding: 6px 40px;
}
.form-check-input[type=checkbox] {
    border: 1px solid rgba(0,0,0,.25);
}
@media screen and (max-width: 767px) {
    .quizzes_filter #quiz_title {
        max-width: unset;
        width: 100%;
    }
    .quizzes_filter {
        justify-content: space-between;
    }
    .quizzes_filter .multiselect-native-select {
        width: calc((100% - 40px) / 2) !important;
    }
    .quizzes_filter .multiselect-native-select .btn-group {
        width: 100% !important;
    }
}