.ul_li ul {
    list-style: none;
    padding-left: 26px!important;
}


.ul_li li {
    position: relative;
}

.ul_li li:before {
    content: "";
    position: absolute;
    width: 15px;
    height: 11px;
    background: url(https://static.tildacdn.com/tild3737-3834-4535-a564-363833336632/Vector_1_2.svg);
    left: -26px;
    top: 7px;
    background-size: 100%;
    
}