*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}
body
{
min-height: 100vh;
background: #181900;

}
header
{
    position: absolute;
    width: 100%;
    min-height: 66px;
    background: #030e70;
    padding: 0100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


header ul li 
{
position: relative;
list-style: none;
float: left;
}




header ul li:hover > ul
{
display: block;
}
header ul li ul li 
{
position: relative;
width: 100%;
border: 1px solid rgba(0, 0, 0, 2);
}
header ul li ul li ul
{
    top: 0;
    left: 120px;
}
/*now,make it responsive */
@media (max-width:620px) 
{
    header
    {
        padding: 10px 20px;
    }
    header nav
    {
        position: absolute;
        width: 100%;
        top: 100px;
        left: 0;
       background: transparent;
    }
    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;
    }
}
*
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:  'Poppins',sans-serif;
}
body
{
min-height: 100vh;
background: #36474f;
}
header
{
    position: absolute;
    width: 100%;
    min-height: 66px;
    background: #43a5f6;
    padding: 0 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .Logo

header ul
{
    position: relative;
}
header ul li 
{
position: relative;
list-style: none;
float: left;
}
header ul li a
{
    color: #fff;
    font-size: 1.1em;
    padding: 5px 10px;
    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: 120px;
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, 2);
}
header ul li ul li ul
{
    top: 0;
    left: 120px;
}
/*now,make it responsive */
@media (max-width:300px) 
{
    header
    {
        padding: 10px 70px;
    }
    header nav
    {
        position: absolute;
        width: 100%;
        top: 0px;
        left: 100;
      background: transparent;
    }
    header nav ul li
    {
        width: 100%;
    }
    header nav ul li ul
    {
        position: relative;
        width: 100%;
        left: 40;
    }
    header ul li ul li ul
    {
        top: 0;
        left: 0;
    }
    header nav ul li:hover ul li
    {
     background-color: tr;
    }
    .menuToggle
    {
        position: relative;
        width: 100px;
        height:0px;
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
    }
}