:root {
    --divider-content: white;
    --divider-stroke: black;
    --divider-stroke-width: 2px;
}

.spikes {
    height: 60px;
    width: 100%;
    background-image: url('../images/spikes.png');
    background-repeat: repeat-x;
    background-size: contain;
}

.curve-top {
    height: 60px;
    width: 110%;
    margin-left: -5%;
    overflow: hidden;
    position: relative;
}

.curve-top::before {
    content: '';
    position: absolute;
    top: 15px;
    height: 120px;
    width: 80%;
    margin-left: 10%;
    border-radius: 50%;
    box-shadow: 0 -18px 8px -16px rgba(0, 0, 0, 0.3);
}

.curve-top::after {
    content: '';
    position: absolute;
    top: 15px;
    height: 120px;
    width: 100%;
    border-top: var(--divider-stroke-width) solid var(--divider-stroke);
    border-radius: 50%;
    background-color: var(--divider-content);
}