@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Roboto", sans-serif;
}

.header {
  width: 100%;
  height: 100vh;
  background: #00122e;
  position: relative;
}

nav {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background: #182842;
  width: 120px;
  padding: 10px 0;
}

nav .logo {
  width: 56px;
  display: block;
  margin: auto;
  cursor: pointer;
}

nav ul {
  margin-top: 160px;
}
nav ul li {
  list-style: none;
}
nav ul li img {
  width: 50px;
  display: block;
  margin: 10px auto;
  padding: 10px;
  cursor: pointer;
  opacity: 0.6;
  border-radius: 10px;
  transition: opacity 0.5s, background 0.5s;
}

nav ul li img:hover {
  opacity: 1;
  background: #4d6181;
}

.active {
  opacity: 1;
  background: #4d6181;
}

.container {
  margin-left: 120px;
  padding: 0 2.5%;
}

.top-icon {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 25px 0;
}
.top-icon img {
  width: 25px;
  margin-left: 40px;
  cursor: pointer;
}

.row {
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
}

.col-1 {
  flex-basis: 65%;
}
.col-2 {
  flex-basis: 33%;
}

.host-img {
  width: 100%;
  border-radius: 15px;
}

.controls {
  display: flex;
  align-items: center;
  justify-content: center;
}

.controls img {
  width: 40px;
  margin: 20px 10px;
  cursor: pointer;
  transition: transform 0.5s ease-out;
}

.controls .call-icon {
  width: 70px;
}

.container img:hover {
  transform: translateY(-10px);
}

.joined {
  background: #182842;
  border-radius: 15px;
  padding: 30px 40px 50px;
  color: #fff;
}
.joined div {
  margin-top: 20px;
  display: grid;
  grid-template-columns: auto auto auto;
  grid-gap: 20px;
}

.joined img {
  width: 100%;
  border-radius: 10px;
  cursor: pointer;
}

.invite {
  background: #182842;
  border-radius: 15px;
  padding: 30px 40px 50px;
  color: #fff;
  margin-top: 20px;
}

.invite img {
  margin-top: 20px;
  width: 50px;
  cursor: pointer;
  margin-left: 5px;
  border-radius: 50%;
}

@media only screen and (max-width: 800px) {
  .row {
    flex-wrap: wrap;
  }

  .col-1 {
    flex-basis: 100%;
  }
  .col-2 {
    flex-basis: 100%;
  }
}