frontend/src/App.css

.App {
  text-align: center;
}

.title {
  font-weight: bold;
  font-size: 1.2rem;
  margin-bottom: 1em;
}

.file-card {
  padding: 1em;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 3px dashed #cbd5e0;
  background-color: #edf2f7;
  min-width: 380px;
  min-height: 230px;

  .file-inputs {
      position: relative;
      margin-bottom: 1.5em;

      input {
          position: relative;
          text-align: right;
          opacity: 0;
          z-index: 2;
          cursor: pointer;
          height: 46px;
          max-width: 200px;
      }

      span {
          position: absolute;
          top: 0px;
          left: 0px;
          width: 100%;
          height: 100%;
          z-index: 1;
          display: flex;
          justify-content: center;
          align-items: center;

          color: #fff;
          background-color: #f55e30;
          font-size: 1.1rem;
          cursor: pointer;
          border-radius: 4px;
          border: none;
          outline: none;
          /* padding: 1em; */
          transition: background-color 0.4s;
          box-shadow: 0px 8px 24px rgba(149, 157, 165, 0.5);

          i {
              width: 1.5em;
              height: 1.5em;
              padding: 0.4em;
              background-color: #fff;
              color: #f55e30;
              border-radius: 50%;
              display: flex;
              justify-content: center;
              align-items: center;
              margin-right: 0.8em;
              font-size: 0.8em;
          }
      }

      &:hover {
          span {
              background-color: #f15120;
          }
      }
  }
}

.main {
  font-weight: bold;
  margin-bottom: 0.4em;
}

.info {
  font-size: 0.8rem;
}