input:checked+.slider {
    background-color: var(--motyw01_glowny);
}
.slider.round {
    border-radius: 34px;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
}
.switch {
    position: relative;
    display: inline-block;
    width: 75px;
    height: 38px;
}
.slider.round:before {
    border-radius: 50%;
}
.slider:before {
    position: absolute;
    content: "";
    height: 30px;
    width: 30px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    -webkit-transition: .4s;
    transition: .4s;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
input:checked+.slider:before {
    -webkit-transform: translateX(36px);
    -ms-transform: translateX(36px);
    transform: translateX(36px);
}