* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  user-select: none;
}
a:focus {
  outline: 0;
}
body {
  min-height: 100vh;
  background-color: #313940;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  overflow-x: hidden;
}
.header {
  text-align: center;
  width: 100%;
  background: #313940;
  border-bottom: 1px solid;
  border-image-slice: 1;
  border-image-source: linear-gradient(to left, #38495a, #a2abb3, #38495a);
}
.header-title {
  line-height: 60px;
  font-weight: 300;
  color: #fff;
}
.main {
  min-height: calc(100vh - 110px);
  padding: 58px 10px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
}
label:not(.btn) {
  display: block;
  position: relative;
  margin-bottom: 40px;
  margin-right: 140px;
  color: #a2abb3;
  font-size: 16px;
}
label:hover {
  color: #cbd5de;
}
label:hover output {
  color: #a2abb3;
}
label:active output {
  color: #cbd5de;
}
input[type='range'] {
  display: block;
  appearance: none;
  height: 3px;
  background-color: #a2abb3;
  margin-top: 22px;
  outline: none;
  border-radius: 0.25rem;
  transition: 0.3s;
  cursor: pointer;
  width: 100%;
}
input[type='range']::-webkit-slider-thumb {
  appearance: none;
  width: 25px;
  height: 25px;
  background-color: #313940;
  border: 3px solid #a2abb3;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.3s;
}
label:hover input[type='range']::-webkit-slider-thumb {
  background-color: #00c9b7;
}
output {
  position: absolute;
  width: 60px;
  height: 40px;
  right: -80px;
  top: 24px;
  background-color: #454c53;
  border: 1px solid #454c53;
  text-align: left;
  padding-left: 10px;
  line-height: 40px;
  border-radius: 2px;
  transition: 0.3s;
}
.btn-container {
  margin-bottom: 20px;
  padding: 2px;
  display: flex;
  justify-content: center;
}
.btn-container > * {
  margin-right: 10px;
}
.btn-container > *:last-child {
  margin-right: 0;
}
.btn {
  flex: 1;
  min-width: 120px;
  height: 40px;
  padding: 0 10px;
  background-color: #454c53;
  border: 0;
  border-radius: 2px;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: #fff;
  outline: 0;
  cursor: pointer;
  transition: 0.3s;
}
.btn:not(.btn-active):hover {
  background-color: #515961;
}
.btn:active {
  background-color: #00c9b7;
}
.btn-active {
  background-color: #00b4a4;
}
.btn-active:hover {
  background-color: #00c9b7;
}
.btn-load {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.btn-load--input {
  opacity: 0;
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.filters {
  width: 100%;
  max-width: 40%;
  padding-top: 60px;
  margin-bottom: 40px;
}
.editor {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  width: 100%;
  max-width: 60%;
}
:root {
  --blur: 0px;
  --invert: 0%;
  --sepia: 0%;
  --saturate: 100%;
  --hue: 0deg;
}
img {
  height: 100%;
  width: 100%;
  max-height: 520px;
  max-width: 830px;
  object-fit: contain;
  filter: blur(var(--blur, 0px)) invert(var(--invert, 0%))
    sepia(var(--sepia, 0%)) saturate(var(--saturate, 100%))
    hue-rotate(var(--hue, 0deg));
}
canvas {
  display: none;
}
.fullscreen {
  position: fixed;
  top: 120px;
  right: 40px;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.3);
  border: 0;
  outline: 0;
  background-size: contain;
  transition: 0.3s;
  cursor: pointer;
  background-image: url('assets/svg/fullscreen-open.svg');
}
.fullscreen:hover {
  background-color: rgba(255, 255, 255, 0.5);
}
:-webkit-full-screen .fullscreen {
  background-image: url('assets/svg/fullscreen-exit.svg');
}
.footer {
  border-top: 1px solid;
  border-image-slice: 1;
  border-image-source: linear-gradient(to left, #38495a, #a2abb3, #38495a);
  background-color: #313940;
}
.footer-container {
  padding: 0 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
}
.github {
  display: block;
  width: 270px;
  height: 45px;
  padding-left: 45px;
  background-image: url('assets/svg/github.svg');
  background-size: 35px;
  background-repeat: no-repeat;
  background-position: left center;
  line-height: 45px;
  color: #cbd5de;
  font-size: 16px;
  font-family: 'Open Sans', sans-serif;
  transition: 0.3s;
}
.github:hover {
  color: #fff;
}
.rss {
  display: block;
  position: relative;
  font-family: 'Open Sans', sans-serif;
  width: 86px;
  height: 32px;
  background-image: url('assets/svg/rss.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left center;
  padding-right: 111px;
}
.rss-year {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 21px;
  letter-spacing: -2px;
  color: #cbd5de;
  line-height: 0.9;
  font-weight: bold;
  transition: 0.3s;
}
.rss:hover .rss-year {
  right: -5px;
  letter-spacing: 0;
}
@media (max-width: 1024px) {
  .main {
    padding-top: 40px;
  }
  label:not(.btn) {
    margin-bottom: 35px;
    margin-right: 80px;
  }
  .btn {
    min-width: 45%;
    border-radius: 2px;
  }
  .btn-container {
    flex-wrap: wrap;
    margin-left: -10px;
    margin-right: -10px;
  }
  .btn-container > *:last-child {
    margin-right: 10px;
  }
  .btn-container > * {
    margin: 10px;
  }
  .main {
    flex-wrap: wrap;
  }
  .filters,
  .editor {
    max-width: 100%;
  }
  .fullscreen {
    top: 15px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}
@media (max-width: 375px) {
  .btn {
    min-width: 145px;
  }
  .btn-container > *:last-child {
    margin-right: 3px;
  }
  .btn-container > * {
    margin: 3px;
  }
}