/* Gradient Background */
body {
  background: linear-gradient(to right, #4a148c, #0d47a1) !important;
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
  color: #fff !important;
  text-align: center;
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

p {
  font-weight: bold;
  font-family: 'Helvetica', sans-serif;
}

/* Modern Flat Button Styling */
#pickfiles, #uploadfiles, #browse, #fileToUpload, .custom-file-upload, .button {
  display: inline-block;
  border-radius: 4px;
  /*background-color: #3498db;*/
  background-color: #303030;
  border: none;
  color: #ffffff;
  text-align: center;
  font-size: 16px;
  padding: 10px;
  width: 100px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  font-family: 'Helvetica', sans-serif;
  font-weight: 500;
}

#pickfiles:hover, #uploadfiles:hover, #browse:hover, #fileToUpload:hover, .custom-file-upload:hover, .button:hover {
  /*background-color: #2980b9;*/
  background-color: #626262;
}

/* Appealing Headers with Shadows */
h1, h2, h3 {
  font-family: 'Helvetica', sans-serif;
  color: #ffffff;
  text-align: center;
  text-shadow: 2px 2px 4px #000000;
}

h1 {
  font-size: 36px;
  margin-top: 10%;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

#containerResult {
  margin-top: 20%;
  text-transform: uppercase;
  font-family: 'Helvetica', sans-serif;
  font-weight: bold;
}

#fileToUpload {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  cursor: pointer;
}