body {
  background: linear-gradient(
    -45deg, 
    rgb(25,25,25), 
    rgb(35,35,35), 
    rgb(45,45,45), 
    rgb(55,55,55),
    rgb(25,25,25), 
    rgb(35,35,35), 
    rgb(45,45,45), 
    rgb(55,55,55),
    rgb(25,25,25), 
    rgb(35,35,35), 
    rgb(45,45,45), 
    rgb(55,55,55)
  );
  background-size: 300% 300%;
  animation: gradient 15s ease infinite;
  color : rgb(245, 245, 245);
}

progress {
  -webkit-appearance: none;
  appearance: none;
}

progress::-webkit-progress-bar {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 9px;
}

progress::-webkit-progress-value {
  background-color: rgb(245, 245, 245);
  border-radius: 9px;
}

progress::-moz-progress-bar {
  background-color: rgb(245, 245, 245);
  border-radius: 9px;
}

input {
  color: rgb(245, 245, 245);
}

textarea {
  color : rgb(245, 245, 245);
}

input::placeholder {
  color: rgb(245, 245, 245);
}

textarea::placeholder {
  color : rgb(245, 245, 245);
}


a {
  color : rgb(245, 245, 245);
}

a:hover {
  color: rgba(245, 245, 245, 0.5);
}

.tab {
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.05);
}

.button {
  color: rgb(245, 245, 245);
  background: rgb(25, 25, 25);
  padding: 0.6em 2em;
  border: none;
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 0;
  border-radius: 10px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: transform 0.6s cubic-bezier(.2,.9,.3,1);
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.button:before {
  background: linear-gradient(
    45deg,
    #000000,
    #424242,
    #838383,
    #bebebe,
    #ffffff,
    #bebebe,
    #838383,
    #424242,
    #000000
  );
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  -webkit-filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing-button 20s linear infinite;
  transition: opacity 0.3s ease-in-out;
  border-radius: 10px;
}

@keyframes glowing-button {
  0% {
    background-position: 0 0;
  }
  50% {
    background-position: 400% 0;
  }
  100% {
    background-position: 0 0;
  }
}

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

.button:after {
  background: rgba(25, 25, 25, 0.85);
  z-index: -1;
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  border-radius: 10px;
}