.wpcf7 form {
    position: relative;
}

.wpcf7 form p {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.25s ease-in-out;
}

.wpcf7 form .wpcf7-response-output {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease-in-out;
}

.wpcf7 form.sent :not(.wpcf7-response-output) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.wpcf7 form .wpcf7-response-output {
    opacity: 1;
    visibility: visible;
    font-size: 200%;
    border-top: none;
    border-right: none;
    border-bottom: none;
    border-left-width: 5px;
    margin-left: 0;
    margin-right: 0;
}