*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
    font-family: sans-serif;
}

body{
    background: #e8e6e7;
}

header{
    padding: 20px 70px;
    background: #1d1d1f;
}

.navigation{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navigation .logo{
    width: 80px;
}

.navigation ul{
    display: flex;
    align-items: center;
    gap: 70px;
    font-size: 20px;
}

.navigation ul li a{
    color: #888;
    font-weight: 600;
    padding-bottom: 4px;
    transition: all 0.5s ease-in-out;
}

.navigation ul li a:hover{
    color: #fff;
    border-bottom: 1px solid #f3dc5b;
}

.navigation .ok{
    color: #fff;
    border-bottom: 1px solid #f3dc5b;
}

main section{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 10rem;
}

.main-text img{
    width: 30rem;
    margin-bottom: 3vh;
}

.main-text h3{
    font-size: 2rem;
    margin-bottom: 2rem;
    
}

.main-text p{
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.main-text .btn{
    padding: 10px 25px;
    background-color: #0071e3;
    border-radius: 20px;
    color: #fff;
    font-size: 1.5rem;
    transition: all 0.5s;
}

.main-text .btn:hover{
    opacity: .90;
}

.main-text .text h5{
    font-size: 1rem;
    color: #444;
    margin-top: 3rem;
    margin-bottom: 2rem;
}

.main-text .content{
    display: flex;
    align-items: center;
    gap: 10px;
}

.main-text .content span{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 1px 1px #888;
    transition: all 0.5s;
}

.main-text .content span:hover{
    opacity: .80;
}

#green{
    background: #26a126e5;
}

#yelow{
    background: #ffff00;
}

#blue{
    background: #0071e3;
}

#orange{
    background: #f04000;
}

#white{
    background: #f7f2ee;
}

#red{
    background: #fa051d;
}

.main-img{
    transition: all 1s ease;
    z-index: 100;
}

.main-img img{
    width: 600px;
}