.flow-interaction-option .custom-control-input + label {
    position: relative;
    display: inline-block;
    min-height: 1.5rem;
    padding-left: 2.35rem;
    cursor: pointer;
    line-height: 1.45;
}

.flow-interaction-option .custom-control-input + label::before {
    position: absolute;
    top: .18rem;
    left: 0;
    display: block;
    width: 1.85rem;
    height: 1rem;
    pointer-events: none;
    content: "";
    background-color: #adb5bd;
    border: #adb5bd solid 1px;
    border-radius: .5rem;
    transition: background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.flow-interaction-option .custom-control-input + label::after {
    position: absolute;
    top: calc(.18rem + 2px);
    left: 2px;
    display: block;
    width: calc(1rem - 4px);
    height: calc(1rem - 4px);
    content: "";
    background: #fff;
    border-radius: 50%;
    transition: transform .15s ease-in-out, background-color .15s ease-in-out;
}

.flow-interaction-option .custom-control-input:checked + label::before {
    color: #fff;
    border-color: #17a2b8;
    background-color: #17a2b8;
}

.flow-interaction-option .custom-control-input:checked + label::after {
    transform: translateX(.85rem);
}

.flow-interaction-option .custom-control-input:focus + label::before {
    box-shadow: 0 0 0 .2rem rgba(23, 162, 184, .25);
}