*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    outline: 0;
    color: black;
    border: none;
    transition: all 0.3s ease-in-out;
}

a::before {
    content: '';
    background: #54b3d6;
    display: block;
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    transition: all 0.3s ease-in-out;
}
a:hover::before{
    width: 100%;
}


/* --------------------------------------Dark Mode */

.dark-theme {
    color: black;
    background-color: rgb(26, 20, 20);
}

button{
    outline: 0;
    border: none;
    color: rgb(111, 121, 207);
    cursor: pointer;
}
#mode{
    background-color: rgb(243, 244, 255);
    padding-left: 30px;
    margin-top: -14px;
}


/* -----------------------------------------Header */

.box1{
    display: flex;
    height: 90px;
    width: 100%;
    background-color: rgb(243, 244, 255);
    padding-top: 30px;
    padding-left: 70px;
    box-shadow: 0px 0px 10px 0px rgb(214, 214, 214);
    position: fixed;
    z-index: 5;
}

@media screen and (max-width: 992px) {
  .box1 {
    background-color: blue;
    color: white;
    width: auto;
    height: auto;
    text-align: center;
    font-size: 50px;
  }
}

@media screen and (max-width: 600px) {
  .box1 {
    background-color: olive;
    color: white;
    width: auto;
    height: auto;
    text-align: center;
    font-size: 26px;
  }
}






.item1{
    display: inline;
    width: 300px;
    font-weight: 550;
    font-size: 25px;
    cursor: pointer;
    font-style: initial;
    font-family: 'poppins', sans-serif;
}


.item2{
    display: flex;
    justify-content: space-evenly;
    gap: 50px;
    font-size: 20px;
    color: black;
    font-weight: 400;
    padding-left: 120px;
    padding-top: 5px;
    padding-right: 120px;
    cursor: pointer;
}

.aboutus{
    width: auto;
    transition: linear 2ms;
    border-bottom: 1px solid white;
}
.aboutus:hover{
    color: rgb(100, 100, 255);
    border-bottom: 1px solid black;
}

.course{
    transition: linear 2ms;
    border-bottom: 1px solid white;
}
.course:hover{
    color: rgb(100, 100, 255);
    border-bottom: 1px solid black;
}

.contact{
    transition: linear 2ms;
    border-bottom: 1px solid white;
}
.contact:hover{
    color: rgb(100, 100, 255);
    border-bottom: 1px solid black;
}
.dropdown:hover{
    color: rgb(100, 100, 255)
}

.dropdown {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    background: none;
    min-width: 280px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    padding: 25px 10px;
    z-index: 1;
    color: black;
    word-spacing: 4px;
    left: -120px;
    border-radius: 8px;
}

.dropdown:hover .dropdown-content {
    display: block;
    background-color: white;
}
.mb1{
    height: 15px;
    width: 70px;
    background-color: lightpink;
    color: black;
    font-weight: 400;
    text-align: center;
    border-radius: 5px;
    font-size: 12px;
    margin-left: 140px;
    margin-top: -20px;
}

.mb2{
    height: 15px;
    width: 50px;
    background-color: yellow;
    color: black;
    font-weight: 400;
    text-align: center;
    border-radius: 5px;
    font-size: 12px;
    margin-left: 160px;
    margin-top: -20px;
}

.item3{
    width: 150px;
    height: 45px;
    font-size: 20px;
    font-weight: 200px;
    border: 1px solid rgb(100, 100, 255);
    text-align: center;
    color: black;
    padding-top: 8px;
    border-radius: 8px;
    margin-right: 20px;
    cursor: pointer;
}

.item4{
    width: 150px;
    height: 45px;
    font-size: 20px;
    font-weight: 200px;
    padding-top: 9px;
    color: white;
    border: 1px solid rgb(100, 100, 255);
    background-color: rgb(111, 121, 207);
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
}

.first{
    display: flex;
    width: 100%;
    height: 450px;
    padding-top: 90px;
}

.second{
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 620px;
    background: none;
    justify-content: center;
    align-items: center;
    padding-top: 60px;
    font-family: "poppins, sans-serif";
    font-style: normal;
}

.scndbx{
    flex-direction: column;
    width: 960px;
    height: 600px;
    background-image: linear-gradient(to left, rgb(111, 121, 207) 340px, white 40px);
    padding-top: 60px;
    margin-top: -200px;
    padding-left: 20px;
    box-shadow: 0px 0px 10px 0px rgb(151, 151, 151);
    font-family: "poppins, sans-serif";
    font-style: normal;
    position: relative;
}


input{
    width: 260px;
    border: none;
    outline: 0;
    border-bottom: 2px solid black;
    margin-right: 30px;
    line-height: 40px;
    padding-top: 50px;
    font-size: 16px;
}

#msg{
    width: 546px;
}

.chkbx{
    display: flex;
    width: 270px;
    height: 70px;
    background-color: rgb(247, 249, 255);
    padding-top: 22px;
    padding-left: 20px;
    text-align: center;
    margin-top: 40px;
    border: none;
    box-shadow: 0px 0px 1px 0px rgb(151, 151, 151);
}
#chbx{
    width: 25px;
    height: 25px;
}
.re{
    flex-direction: column;
    margin-top: -25px;
    font-size: 12px;
    padding-left: 218px;
    font-style: normal;
    font-family: 'poppins', sans-serif;
}

#sbm{
    display: flex;
    width: 150px;
    height: 68px;
    background-color: rgb(111, 121, 207);
    border-radius: 10px;
    color: white;
    margin-left: 160px;
    margin-top: -60px;
    text-align: center;
    padding-left: 40px;
    padding-top: 4px;
    cursor: pointer;
    font-size: 22px;
}

.imgss{
    display: flex;
    background: none;
    padding-left: 400px;
    margin-top: -20px;
    justify-content: space-evenly;
}

.footer{
    display: flex;
    justify-content: space-evenly;
    height: 370px;
    width: 100%;
    background-color: rgb(111, 121, 207);
    color: white;
    padding-top: 70px;
}

ul{
    display: inline;
    list-style-type: none;
}

#li1{
    font-size: 20px;
    line-height: 30px;
    padding-left: 100px;
}

#li2{
    font-size: 20px;
    line-height: 30px;
    padding-right: 50px; 
}

#mnu{
    padding-left: 101px;
}

#codhlp{
    padding-top: 80px;
    font-style: initial;
    font-family: 'poppins', sans-serif;
}

#txtug{
    word-spacing: 6px;
    line-height: 25px;
    font-style: initial;
    font-family: 'poppins', sans-serif;
}

#hr1{
    width: 1px;
    height: 200px;
    color: rgb(239, 239, 239);
    opacity: 0.4;
}

#hr2{
    width: 1180px;
    height: 1px;
    color: rgb(239, 239, 239);
    opacity: 0.4;
    margin-top: -80px;
    margin-left: 35px;
}

.div3{
    text-align: center;
    padding-top: 30px;
    color: white;
    font-size: 20px;
    font-style: initial;
    font-family: 'poppins', sans-serif;
}

.fix{
    display: flex;
    position: fixed;
    bottom: 20px;
    right: 20px;
    color: white;
    font-size: 20px;
    padding-left: 20px;
    width: 170px;
    height: 50px;
    padding-top: 12px;
    border-radius: 15px 15px 0px 15px;
    background-color: rgb(75, 94, 168);
    z-index: 5;
}