.switchK {
    position: relative;
    display: inline-block;
    width: 40px; /* Adjusted width */
    height: 20px; /* Adjusted height */
}

    .switchK input {
        opacity: 0;
        width: 0;
        height: 0;
    }

.sliderK {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: gainsboro;
    -webkit-transition: .4s;
    transition: .4s;
}

    .sliderK:before {
        position: absolute;
        content: "";
        height: 16px; /* Adjusted height */
        width: 16px; /* Adjusted width */
        left: 2px; /* Adjusted left */
        bottom: 2px; /* Adjusted bottom */
        background-color: white;
        -webkit-transition: .4s;
        transition: .4s;
    }

input:checked + .sliderK {
    background-color: lightseagreen;
}

input:focus + .sliderK {
    box-shadow: 0 0 1px #2196F3;
}

input:checked + .sliderK:before {
    -webkit-transform: translateX(20px); /* Adjusted transformation */
    -ms-transform: translateX(20px); /* Adjusted transformation */
    transform: translateX(20px); /* Adjusted transformation */
}

/* Rounded sliders */
.sliderK.roundK {
    border-radius: 20px; /* Adjusted border-radius */
}

    .sliderK.roundK:before {
        border-radius: 50%;
    }