.svgContainer {
  border: 1px solid #ccc;
  margin-top: 10px;
}
.beam {
    width: 80%;
    height: 20px;
    background-color: #8B4513;
    margin: 20px auto;
    position: relative;
}
.support {
    width: 20px;
    height: 20px;
    background-color: #555;
    position: absolute;
    bottom: -20px;
}
.support.left {
    left: 0;
}
.support.right {
    right: 0;
}
.cross-section {
    width: 100px;
    height: 100px;
    background-color: #8B4513;
    margin: 20px auto;
    position: relative;
    display: inline-block;
}
.cross-section-labels {
    text-align: center;
    margin-top: 10px;
}