*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:Arial, Helvetica, sans-serif;

}
body{
    min-height: 100vh;
    background: #ffffff;
}
header{
    position: absolute;
    width: 100%;
    min-height: 66px;
    background: #43a5f6;
    padding: 0 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .logo img {
    /* color: #fff;
    font-size: 1.75em;
    font-weight: 600;
    text-decoration: none; */
    height: 50px;
    width: 50px;
    border-radius: 50%;

}
/* header .logo a img{
    height: 200px;
    width: 200px;
} */
header ul li{
    list-style: none;
    position: relative;
    float: left;

}
header ul li a{
    color: #fff;
    font-size: 1.1em;
    padding: 20px 25px;
    text-decoration: none;
    display: flex;
    justify-content: space-between;

}
header ul li a:hover{
    background: #2b93e3;

}
header ul li ul{
    position: absolute;
    left: 0;
    width: 200px;
    background: #445964;
    display: none;

}
header ul li:hover > ul{
    display: block;
}
header ul li ul li{
    position: relative;
    width: 100%;
    border: 1px solid rgba(0,0,0,0.2);
}
header ul li ul li ul{
    top: 0;
    left: 200px;
}
/* now make it responsive*/
@media(max-width:1025px)
{
    header{
        padding: 10px 20px;
    }
    header nav{
        position: absolute;
        width: 100%;
        top: 66px;
        left: 0;
        background: #445964;
        display: none;
    }
    header.active nav{
        display: initial;
    }
    header nav ul li{
        width: 100%;

    }
    header nav ul li ul{
        position: relative;
        width: 100%;
        left: 0;

    }
    header ul li ul li ul{
        top: 0;
        left: 0;

    }
    header nav ul li:hover ul li{
        background: #546e7b;
    }
    .menuToggle{
        position: relative;
        width: 40px;
        height: 50px;
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .menuToggle::before{
        content: '';
        position: absolute;
        width: 100%;
        height: 3px;
        background: #fff;
        transform: translateY(-12px);
        box-shadow: 0 12px #fff;
    }
    .menuToggle::after{
        content: '';
        position: absolute;
        width: 100%;
        height: 3px;
        background: #fff;
        transform: translateY(12px);
    }
    header.active .menuToggle::before{
        transform: rotate(45deg);
        box-shadow: 0 0 #fff;
    }
    header.active .menuToggle::after{
        transform: rotate(315deg);
        
    }
}