.slidecontainer {
    width: 100%;
    display: inline-flex;
    align-items: center;
    margin-bottom: 1em;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 15px;
    border-radius: 5px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
}

    .slider:hover {
        opacity: 1;
    }

    .slider::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 25px;
        height: 25px;
        border-radius: 50%;
        background: #00458a;
        cursor: pointer;
    }

    .slider::-moz-range-thumb {
        width: 25px;
        height: 25px;
        border-radius: 50%;
        background: #00458a;
        cursor: pointer;
    }