@import url('https://fonts.googleapis.com/css?family=Poppins');

*{
    margin:0;
    padding: 0;
    user-select: none;
    color: white;
    box-sizing: border-box;
    font-family: 'Poppins', san-serif;
}

.btn{
    position: absolute;
    top: 15px;
    left: 45px; 
    height: 65px; /*45px*/
    width: 65px; /*45px*/
    text-align: center;
    background: white;
    border-radius: 3px;
    cursor: pointer;
    transition: left 0.4s ease;
}

.btn.click{ /*moves the white box right*/
    left:390px;/* was 260px*/
}

.btn span{
    color: #1b1b1b;
    font-size: 60px; /*was 28px*/
    line-height: 70px; /*was 45px*/
}

.btn.click span:before{
    content: '\f00d';
}

.sidebar{
    position: fixed;
    width: 380px; /* was 250px*/
    height: 100%;
    left: -380px; /* was -360px*/
    background: #1b1b1b;
    transition: left 0.4s ease;
}

.sidebar.show{
    left: 0px;
}

.sidebar .text{
    color: white;
    font-size: 35px; /* was 25px*/
    font-weight: 600; /*was 600px*/
    line-height: 65px; /*was 65px*/
    text-align: center;
    background: #1e1e1e;
    letter-spacing: 1px;
}

nav ul{
    background: #1b1b1b;
    height: 100%;
    width: 100%;
    list-style: none;
}

nav ul li{
    line-height: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

nav ul li:last-child{
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

nav ul li a{
    position: relative;
    color: white;
    text-decoration: none;
    font-size: 35px; /*was 18px*/
    padding-left: 40px;
    font-weight: 500;
    display: block;
    width: 100%;
    border-left: 3px solid transparent;
}

nav ul li.active a{
    color: #ff0000;
    background: #1e1e1e;
    border-left-color: #ff0000;
}

nav ul ul{
    position: static;
    display: none;
}

nav ul .feat-show.show{
    display: block;
}

nav ul .serv-show.show1{
    display: block;
}

nav ul .sub-show.show2{
    display: block;
}

nav ul ul li{
    line-height: 42px;
    border-bottom: none;
}

nav ul ul li a{
    font-size: 30px; /* was 17px*/
    color: #e6e6e6;
    padding-left: 80px;
}

nav ul li.active ul li a{
    color: #e6e6e6;
    background: #1b1b1b;
    border-left-color: transparent;
}

nav ul ul li a:hover{
    color: #ff0000!important;
    background: #1e1e1e!important;
    
}

nav ul li a span{
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    font-size: 22px;
    transition: transform 0.4s;
}

nav ul li a span.rotate{
    transform: translateY(-50%) rotate(-180deg);
}

nav ul li a:hover span{
    transform: translateY(-50%) rotate(-180deg);
}

body{
    margin: 0;
    font-family: 'Poppins', san-serif;
    background-image:url(IntegerPracticeBanner.jpg);
    height: 100vh;
    width:100vw;
    position: relative;

}

.overlay {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.75);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.overlay h1 {
  font-size: 45px;
  letter-spacing: 0px;
  margin: 0 0 15px;
}

.overlay p {
  margin: 0;
  font-size:28px;
}