@import "node_modules/bootstrap-sass/assets/stylesheets/bootstrap";

.upload {
  margin-bottom: 20px;
  margin-top: 20px;

  .upload-button {
    background: rgba(202, 230, 190, 0.75);
    border: 1px solid #B7D1A0;
    border-radius: 4px;
    width: 100%;
    text-align: center;
    color: #468847;
    cursor: pointer;
    display: inline-block;
    font-size: 24px;
    padding: 28px 48px;
    text-shadow: 0 1px rgba(255, 255, 255, 0.5);
    transition: background-color 0.25s, width 0.5s, height 0.5s;
  }
}

.container-sm {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.message-area {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
@import "node_modules/bootstrap-sass/assets/stylesheets/bootstrap";

.upload {
  margin-bottom: 20px;
  margin-top: 20px;

  .upload-button {
    background: rgba(202, 230, 190, 0.75);
    border: 1px solid #B7D1A0;
    border-radius: 4px;
    width: 100%;
    text-align: center;
    color: #468847;
    cursor: pointer;
    display: inline-block;
    font-size: 24px;
    padding: 28px 48px;
    text-shadow: 0 1px rgba(255, 255, 255, 0.5);
    transition: background-color 0.25s, width 0.5s, height 0.5s;
  }
}

.container-sm {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.message-area {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
Make alerts the same width as container-sm
Make alerts the same width as container-sm
