.background-theme1{
  background-color: #000000;
  background-image: linear-gradient(to right top, #051d4a, #162352, #24295b, #302f63, #3c356b);
}
.background-theme2{
  background-color: #ffffff;
}
.background-theme3{
  background-color: #ffffff;
  background-image: linear-gradient(to right bottom, #e77463, #f08260, #f7925d, #fca15b, #ffb25a);
}
.background-theme4{
  background-color: #ffffff;
  background-image: linear-gradient(to right bottom, #6d4f8c, #7a5694, #865d9c, #9364a3, #a06bab);
}
.background-theme5{
  background-color: #ffffff;
  background-image: linear-gradient(to top, #00b0ee, #00b4f2, #00b8f7, #00bdfb, #00c1ff);
}
.background-theme6{
  background-color: #ffffff;
  background-image: linear-gradient(to right bottom, #054a06, #045115, #025721, #015e2d, #006539);
}
.background-theme7{
  background-color: #000000;
  background-image: linear-gradient(to bottom, #000100, #111211, #1b1c1b, #252625, #303130);
}
.background-theme8{
  background-color: #ffffff;
}
.background-theme9{
  background-color: #000000;
}
.background-theme10{
  background-color: #ffffff;
  background-image: linear-gradient(to left bottom, #3eefd6, #4af1d0, #55f2c9, #61f4c3, #6cf5bc);
}
.background-theme11{
  background-color: #ffffff;
  background-image: linear-gradient(to bottom, #c9fb84, #d5fb7e, #e1fa79, #edf975, #f9f871);
}
.background-theme12{
  background-color: #000000;
  background-image: linear-gradient(to right bottom, #2f032f, #3f0635, #4f0c3a, #5f133e, #6f1b42);
}
.background-theme13{
  background-color: #000000;
  background-image: linear-gradient(to left bottom, #1a181a, #1e151a, #231118, #280c11, #2c0803);
}
.background-theme14{
  background-color: #000000;
  background-image: linear-gradient(to left bottom, #1d1f01, #1a1d01, #171a01, #141801, #111601);
}
.background-theme15{
  background-color: #ffffff;
}