header.css

body {
    margin: 0px;
    font-family: Arial, Helvetica, sans-serif;
}

#top {
    display: flex;

}

#top>div:nth-child(1) {
    /* border: 2px solid red; */
    width: 40%;
    /* height: px; */


}

#top>div:nth-child(2) {
    padding: 15px 0px 0px 20px;
    width: 20%;
    /* height: 45px; */
    color: blue;
    font-weight: bold;
    font-size: 20px;
}

#top>div:nth-child(3) {
    /* border: 2px solid red; */
    width: 40%;
    /* height: 45px; */

}

#gray_ribban {
    margin-top: -4px;
    height: 40px;
    /* background-color: rgba(246, 238, 238, 0.347); */
    background-color: rgba(135, 207, 235, 0.425);
    box-shadow: rgba(50, 50, 93, 0.25) 0px 30px 60px -12px inset, rgba(0, 0, 0, 0.3) 0px 18px 36px -18px inset;
}

#main {
    /* border: 2px solid red; */
    height: 80px;
    display: flex;
    border-bottom: 3px solid skyblue;
}

#main>div:nth-child(1) {
    width: 70%;
    height: 80px;
    background-color: rgba(135, 207, 235, 0.053);
}

#main>div:nth-child(2) {
    width: 30%;
    height: auto;
    /* background-color: gray; */
}

#logo {
    padding: 10px 0px 0px 55%;
    width: 23%;
}


/* ///  */
#nav-btn {
    /* border: 2px solid yellow; */
    width: 100%;
    /* height: 40px; */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;

}

#nav-btn>div:nth-child(1) {

    width: 60%;
    height: 40px;
    margin-right: 10px;
}

#nav-btn>div:nth-child(1)>input {
    text-decoration: none;
}

#nav-btn>div:nth-child(1)>input:hover {

    border: 2px solid skyblue;
    border-bottom: 3px solid skyblue;
}

#nav-btn>div:nth-child(2) {
    /* border: 2px solid green; */
    width: 10%;
    height: auto;
    /* margin-top: 5px; */
    margin-left: 10px;

}

#nav-btn>div:nth-child(3) {
    /* border: 2px solid gray; */
    width: 10%;
    height: auto;
    margin-top: 5px;
}

#s {
    /* border: 2px solid gray; */
    width: 100%;
    height: 100%;
    border-radius: 5px;
}



/* nav-bar css */






#container {
    margin: 0 auto;
}

p {
    text-align: center;
}

nav {

    background-color: white;
}

nav ul {
    padding: 0;
    margin: 0;
    list-style: none;
    position: relative;
}

nav ul li {
    display: inline-block;
    background-color: white;


}

nav a {
    display: block;
    padding: 0 10px;
    color: black;
    font-size: 15px;
    line-height: 60px;
    text-decoration: none;
}

nav a:hover {
    background-color: white;
    color: rgb(66, 175, 219);
    box-shadow: rgba(0, 0, 0, 0.15) 2.4px 2.4px 3.2px;
    border-bottom: 2px solid blue;
}

/* Hide Dropdowns by Default */
nav ul ul {
    display: none;
    position: absolute;
    top: 62px;
    /* the height of the main nav */
}

/* Display Dropdowns on Hover */
nav ul li:hover>ul {
    display: inherit;
}

/* Fisrt Tier Dropdown */
nav ul ul li {
    width: 200px;
    float: none;
    display: list-item;
    position: relative;

}

/* Second, Third and more Tiers	*/
nav ul ul ul li {
    position: relative;
    top: -60px;
    left: 200px;
}


/* Change this in order to change the Dropdown symbol */
/* li > a:after { content:  '+'; } */
li>a:only-child:after {
    content: '';
}

.padding {
    padding: 0px 40px 0px 40px;
}

#new-margin {
    margin-left: 40px;
}

#footer{
    border: 2px solid red;
    width: 99.6%;
    height: 500px;
}