.select2Buttons ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
}

.select2Buttons li,
.select2Buttons a {
    flex-grow: 1;
}

.select2Buttons li a {
    border: 1px solid #9dc4e3;
    width: 100%;
    display: block;
}

.select2Buttons a {
    color: #3c89c8;
    text-align: center;
    text-decoration: none;
}

.select2Buttons a:hover,
.select2Buttons .picked {
    background-color: #3c89c8;
    border-color: #3c89c8;
    color: #FFF;
}