* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif;
}

main {
    display: flex;
    align-items: center;
}

.slider {
    width: 50%;
    display: flex;
    align-items: center;
}

input[type="range"] {
    -webkit-appearance: none;
    background: linear-gradient(75deg, #3c40c6, #575fcf);
    border-radius: 4px;
    width: 100%;
    height: 12px;
    outline: none;
    box-shadow: 0 0 6px rgb(28, 32,148);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: #f53b57;
    border-radius: 50%;
    transition: 0.3s;
}

input[type="range"]:active::-webkit-slider-thumb {
    background: #ef5777;
    box-shadow: 0 0 0 6px rgba(155, 73, 146, 0.4);
}

input[type="number"] {
    margin-right: 16px;
    background-color: #f53b57;
    width: 80px;
    line-height: 40px;
    text-align: center;
    border-radius: 4px;
    color: white;
    position: relative;
}

input[type="number"]::after {
    content: "";
    display: block;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 8px solid #f53b57;
    position: absolute;
    top: calc(50% - 8px);
    right: -6px;
}