.t650__submit { 
    background-image: linear-gradient(to right, #d2e9e1 0%, #bde4cf 51%, #d2e9e1 100%) !important; 
    background-size: 200%;
    transition: 0.5s;
}

.t650__submit:hover {
    background-position-x: -100%;
}

/* иконки */
#Layer_1 {
    width: 40px;
    height: 40px;
}


    u {
        text-decoration-color: #bde4cf !important;
    }