style.css

*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}
.container{
    width: 100%;
    height: 100vh;
    background-image: url(images/background.png);
    background-size: cover;
    background-position: center;
    position: relative;
    padding-top: 30px;
    box-sizing: border-box;
}
.navbar{
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    background:rgba(29,33,61,0.5);
    padding: 0 60px;
    box-sizing: border-box;
}
.logo{
    width: 155px;
}
.logo img{
    width: 30px;
    position: relative;
    z-index: 10;
    cursor: pointer;
}
nav{
    flex: 1;
}
nav ul li{
list-style: none;
display: inline-block;
margin-right: 60px;
}
nav ul li a{
    text-decoration: none;
    color: #fff;
    font-size: 14px;
}

.user{
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 14px;
}
.user img{
    width: 30px;
    margin-left: 15px;
    cursor: pointer;
    border-radius: 50%;
}
.sidebar{
    width: 155px;
    height: 100vh;
    background: rgba(29,31,58,0.5);
    position: absolute;
    top: 0;
    left: 0;
}
.search-icon{
    width: 30px;
    display: block;
    margin: 120px auto 0;
}
.social-links{
    width: 20px;
    display: block;
    margin: 220px auto 0;
    text-align: center;
}
.social-links img{
    height: 15px;
    margin-bottom: 30px;
}
.info-icon{
    width: 20px;
    position: absolute;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
}
.msg-container{
    width: 600px;
    height: 280px;
    position: absolute;
    left: 14%;
    top: 57%;
    transform: translateY(-50%);
    overflow: hidden;
}
#slider{
    display: inline-flex;
    transition: 0.5s;
}
.msg-col{
    width: 600px;
    height: 280px;
}
.msg-col h1{
    color: #fff;
    font-size: 80px;
    font-weight: 100;
    margin: 10px 0;
}
.msg-col p{
    color: #ddd;
    font-size: 15px;
    line-height: 25px;

}
.msg-col a{
    display: inline-block;
    text-decoration: none;
    color: #555;
    background: #fff;
    font-size: 15px;
    padding: 10px 35px;
    border-radius: 30px;
    margin-top: 25px;
}
.controller{
    width: 1px;
    height: 320px;
    display: block;
    background: #c0c0c0;
    position: absolute;
    top: 55%;
    right: 50px;
    transform: translateY(-50%);
}
#line1,#line2,#line3,#line4{
    height: 80px;
    width: 10px;
    cursor: pointer;
    transform: translateY(-50%);
    
}
#active{
    width: 5px;
    height: 80px;
    border-radius: 10px;
    background: #fff;
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    transition: 0.5s;

}