.list-1 li {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.list-1 i {
    position: relative;
}