.wsrf-slider {
    position: relative;
    width: 100%;
    height: 36px;
}

.wsrf-track {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 6px;
    background: #00B5F2; /* базовый цвет */
    border-radius: 3px;
    transform: translateY(-79%);
    z-index: 1;
}

/* оба ползунка */
.wsrf-slider input[type=range] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: none;
    pointer-events: none;
    -webkit-appearance: none;
    z-index: 2;
    transform: translate(0px, 4px);
}

/* бегунок */
.wsrf-slider input[type=range]::-webkit-slider-thumb {
    pointer-events: all; /* но бегунок двигается */
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fff;
    border: 7px solid #00B5F2;
    cursor: pointer;
    -webkit-appearance: none;
    position: relative;
    z-index: 3;
}
.wsrf-slider input[type=range]::-moz-range-thumb {
    pointer-events: all;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fff;
    border: 7px solid #00B5F2;
    cursor: pointer;
    position: relative;
    z-index: 3;
}

.wsrf-input:focus {
    border: 2px solid #00B5F2!important;
}

.wsrf-values {
    display: flex;
    align-items: center;
    gap: 13px;
    justify-content: space-between;
}