una/modules/base/groups/template/css/main.css

.bx-base-group-cover-wrapper .bx-base-pofile-cover-info .bx-def-ava {
    border-width:0.0625rem;
    border-radius:0.1875rem;
    -moz-border-radius:0.1875rem;
    -webkit-border-radius:0.1875rem;
}

.bx-base-group-unit .bx-def-unit-img img,
.bx-base-group-unit .bx-def-unit-img p.bx-base-pofile-unit-thumb,
.bx-base-groups-unit-wo-info .bx-def-unit-img img,
.bx-base-groups-unit-wo-info .bx-def-unit-img p.bx-base-pofile-unit-thumb,
.bx-base-groups-unit-with-cover .bx-def-unit-img img,
.bx-base-groups-unit-with-cover .bx-def-unit-img p.bx-base-pofile-unit-thumb {
    border-width:0.0625rem;
    border-radius:0.1875rem;
    -moz-border-radius:0.1875rem;
    -webkit-border-radius:0.1875rem;
}

.bx-search-result-block {
    text-align:center;
}

/*--- Set Role popup ---*/
.bx-base-group-sr-role-cnt {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
}
.bx-base-group-sr-role-cnt > * {
    display: inline-block;
}
.bx-base-group-sr-role-cnt > input {
    margin: 0;
}
.bx-base-group-sr-done .bx-btn {
    display: inline-block;
    float: none;
}