.custom-control.overflow-checkbox .overflow-control-input {
    display: none;
}

.custom-control.overflow-checkbox .overflow-control-input:checked ~ .overflow-control-indicator::after {
    -webkit-transform: rotateZ(45deg) scale(1);
    -ms-transform: rotate(45deg) scale(1);
    transform: rotateZ(45deg) scale(1);
    top: -6px;
    left: 5px;
}

.custom-control.overflow-checkbox .overflow-control-input:checked ~ .overflow-control-indicator::before {
    opacity: 1;
}

.custom-control.overflow-checkbox .overflow-control-input:disabled ~ .overflow-control-indicator {
    opacity: .5;
    border: 2px solid #ccc;
}

.custom-control.overflow-checkbox .overflow-control-input:disabled ~ .overflow-control-indicator:after {
    border-bottom: 4px solid #ccc;
    border-right: 4px solid #ccc;
}

.custom-control.overflow-checkbox .overflow-control-indicator {
    border-radius: 3px;
    display: inline-block;
    position: absolute;
    top: 4px;
    left: 0;
    width: 16px;
    height: 16px;
    border: 2px solid #47a447;
}

.custom-control.overflow-checkbox .overflow-control-indicator::after {
    content: '';
    display: block;
    position: absolute;
    width: 16px;
    height: 16px;
    -webkit-transition: .3s;
    -o-transition: .3s;
    transition: .3s;
    -webkit-transform: rotateZ(90deg) scale(0);
    -ms-transform: rotate(90deg) scale(0);
    transform: rotateZ(90deg) scale(0);
    width: 10px;
    border-bottom: 4px solid #47a447;
    border-right: 4px solid #47a447;
    border-radius: 3px;
    top: -2px;
    left: 2px;
}

.custom-control.overflow-checkbox .overflow-control-indicator::before {
    content: '';
    display: block;
    position: absolute;
    width: 16px;
    height: 16px;
    -webkit-transition: .3s;
    -o-transition: .3s;
    transition: .3s;
    width: 10px;
    border-right: 7px solid #fff;
    border-radius: 3px;
    -webkit-transform: rotateZ(45deg) scale(1);
    -ms-transform: rotate(45deg) scale(1);
    transform: rotateZ(45deg) scale(1);
    top: -4px;
    left: 5px;
    opacity: 0;
}

.custom-control {
    position: relative;
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5rem;
}