input[type='radio'].check_iscliente_solicita {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;

    display: inline-block !important;
    -webkit-tap-highlight-color: transparent !important;
    background-color: transparent !important;

    outline: none !important;

    width: 20px !important;
    height: 20px !important;
    border-radius: 50% !important;
    border: 2px solid #fff !important;
    position: relative !important;
}

input[type='radio'].check_iscliente_solicita:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: transparent;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: background-color .15s ease;
}

input[type='radio'].check_iscliente_solicita:checked:before {
    background: #fff;

}

input[type='radio'].check_iscliente_solicita:checked {
    border-color: #fff;
}