.check-green-usw {
    position: relative;
}

.check-green-usw input[type="checkbox"] {
    display: none;
    visibility: hidden;
}
.check-green-usw .cbx {
    -webkit-perspective: 20;
    perspective: 20;
    display: inline-block;
    border: 2px solid #e8e8eb;
    background: #e8e8eb;
    border-radius: 4px;
    transform: translate3d(0, 0, 0);
    cursor: pointer;
    transition: all 0.3s ease;
}
.check-green-usw .cbx:hover {
    border-color: #719430;
}
.check-green-usw .flip {
    display: block;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
    position: relative;
    width: 20px;
    height: 20px;
}
.check-green-usw input[type="checkbox"]:checked + .cbx {
    border-color: #719430;
}
.check-green-usw input[type="checkbox"]:checked + .cbx .flip {
    transform: rotateY(180deg);
}
.check-green-usw .front,
.check-green-usw .back {
    backface-visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    border-radius: 2px;
}
.check-green-usw .front {
    background: #fff;
    z-index: 1;
}
.check-green-usw .back {
    transform: rotateY(180deg);
    background: #719430;
    text-align: center;
    color: #fff;
    line-height: 20px;
    box-shadow: 0 0 0 1px #719430;
}
.check-green-usw .back svg {
    margin-top: 3px;
    fill: none;
}
.check-green-usw .back svg path {
    stroke: #fff;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}