:root {
  --round-btn: 44px;
  --btm-bar: 400px;
  --scl-btn-font-size: 18px;
  --scl-btn-background: white;
  --scl-btn-color: black;
  --background-color: #2e2e2e;
  --border: 1px solid black;
  --menu-btn-margin: 10px;
}
::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background-color: rgba(0, 0, 0, .5);
  box-shadow: 0 0 1px rgba(255, 255, 255, .5);
  -webkit-box-shadow: 0 0 1px rgba(255, 255, 255, .5);
}
::-webkit-scrollbar-thumb:hover {
  background-color: rgba(120,120,120,1);
  
}
::-webkit-scrollbar {
  -webkit-appearance: none;
  width: 8px;
}
body {
  margin: 0px;
  font-family: Arial;
  background-color: lightgrey;
}
#btm-bar {
  z-index: 1;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
  position: absolute; 
}
#btm-bar > div {
  background-color: var(--background-color);
  border: var(--border);
  height: auto;
  width: var(--btm-bar);
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#social-media {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.round-btn-44 {
  text-align: center;
  vertical-align: middle;
  height: var(--round-btn);
  width: var(--round-btn);
  line-height: var(--round-btn);
  cursor: pointer;
  background: var(--scl-btn-background);
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--scl-btn-font-size);
  color: var(--scl-btn-color);
}
.a-btn {
  text-decoration: none;
  color: inherit;
}
.hover-b-w:hover {
  box-shadow: 0 0 15px rgb(255,255,255,.5);
}
#info-container {
  z-index: 2;
  position: absolute;
  overflow: hidden;
  color: white;
}
#info {
  top: 0;
  right: 0;
  height: 100%;
  width: 400px;
  position: fixed;
  background-color: var(--background-color);
  border-left: var(--border);
  transition: right 1s ease;
  overflow: auto;
}
#info-top {
  background-color: black;
  vertical-align: middle;
  padding-top: calc(var(--round-btn) + (var(--menu-btn-margin) * 2));
}
#info-top > iframe {
  width: 100%;
  height: calc(75% / 16 * 9);
  margin: auto;
}
#info-content-tittle {
  text-align: center;
  font-weight: 700;
  font-size: 16px;
}
#info-content > div {
  padding: 20px 20px;
  border-top: var(--border);
  font-size: 14px;
}
#info-content:nth-last-child(1) {
  /*border-bottom: var(--border);*/
}
.content-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.content-btn > a {
  height: 30px;
  min-width: 80px;
  background: white;
  color: black;
  border-radius: 10px;
  text-align: center;
  font-weight: 600;
  line-height: 30px;
  text-transform: uppercase;
}
#menu-container {
  position: absolute;
  right: 0;
  top: 0;
}
#menu-container > div {
  position: relative;
  margin: var(--menu-btn-margin);
  border: 1px solid var(--background-color);
  background: var(--scl-btn-background);
}
#menu-btn {
  z-index: 3;
}
#full-screen {
  z-index: 1;
  position: absolute;
}
.menu-btn-active {
  background-color: transparent !important;
  color: white !important;
  border: 1px solid white !important;
}
.munu-btn-h {
}
@media only screen and (max-width: 450px){
  :root {
    --btm-bar: 100%;
  }
  #btm-bar, #info {
    width: var(--btm-bar);
  }
  #btm-bar {
    z-index: 5;
  }
  #btm-bar > div {
    width: auto;
  }
}