nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-sizing: border-box;
  box-shadow: 0px 4px 7px #777;
  transition: background-color 0.4s ease-out;
  z-index: 10;
  
}

nav span {
  font-weight: 600;
  letter-spacing: .085em;
}
nav a{color: #000;padding: 15px 5px;}

nav button {
  position: absolute;
  top: 0;
  transform: translateY(50%);
  right: 0;
  min-height: 1.5em;
  min-width: 80px;
  background-color: #eee;
  color: #222;
  border: 0px;
  border-radius: 2px;
  margin-right: 18px;
  text-transform: uppercase;
}

nav.scroll {
            background-color: #fff;
}
nav.scroll a{color: #000;}
.logo-img{width: 100%;}
.lg-text{position: absolute;
          margin-left: 10px;
          vertical-align: middle;
          display: inline-block;
          top: -9px;}
.menu{float: right;}
.menu ul li{display: flex;
            padding: 10px;
            vertical-align: middle;
            float: left;font-size: 18px;}