/* The switch - the box around the slider */
.switch {
    position: relative;
    display: inline-block;
    width: 30px;
    height: 20px;
    margin-right: 100px;
}

/* Hide default HTML checkbox */
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
    }

/* The slider */
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #656565;
    -webkit-transition: .4s;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 4px;
    bottom: 4px;
    background-color: #F8F6F1;
    -webkit-transition: .4s;
    transition: .4s;
}

input:checked + .slider {
    background-color: #77874C;
}

input:focus + .slider {
    box-shadow: 0 0 1px #77874C;
}

input:checked + .slider:before {
    -webkit-transform: translateX(10px);
    -ms-transform: translateX(10px);
    transform: translateX(10px);
}

/* Rounded sliders */
.slider.round {
    border-radius: 20px;
}

.slider.round:before {
    border-radius: 50%;
}
  
/* Стили при активированном чекбоксе */
input[type="checkbox"]:checked + .slider + .header-switch-text {
    text-shadow: 0 0 5px #FFF,
        0 0 10px #77874C;
}

.header-switch-text {
    transition: text-shadow 0.3s ease;
}