html{
    overflow-x: hidden;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f5f5f5;
}
#nav {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
nav {
  display: flex;
  gap: 70%;
  align-items: center;
  height: 64px;
  padding: 0 16px;
}
.logo-bar , .icon-pfp{
  display: flex;
  align-items: center;
}
.logo-bar i, .icon-pfp i {
  font-size: 24px;
  padding: 7px;
  cursor: pointer;
  color: #5f6368;
}
.logo-bar i:hover, .icon-pfp i:hover{
    background-color: #d9d8d8;
    border-radius: 50%;
}
.logo-bar img, .icon-pfp img{
    height: 40px;
    margin-left: 15px;
    cursor: pointer;
}

.icon-pfp img{
    border-radius: 50%;
}
.icon-pfp img:active{
    border: 1px solid blue;
}
.slide-bar{
    position: fixed;
    height: 85vh;
    width: 235px;
    padding: 10px;
    background-color: #fff;
    /* display: none; */
}
.slide-bar .tabs{
    list-style-type: none;
    padding: 6px;
    text-align: left;
}

.slide-bar .tabs li{
    position: relative;
    right: 30px;
    padding: 10px;
    margin: 35px;
    color: #313131;
    font-size: 18px;
    width: 200px;
    cursor: pointer;
    border-radius: 20px;
}
.slide-bar .tabs li:hover{
    transition: .2s;
    background-color: #d9d8d8;
}

.slide-bar .tabs li span i{
 margin-right: 10px;
}

.slide-bar .tabs .active{
    background-color: #c3e7ff;
}
.slide-bar .tabs .active:hover{
    background-color: #aedcfa;
}
.box {
    height: auto;
    width: min-content;
    padding: 40px;
    position: absolute;
    top: 150px;
    left: 600px;
    background-color: #f8f9fb;
    display: none;
    z-index: 10;
    box-shadow: 5px 2px 10px rgba(0, 0, 0, 0.2);
}
#form label, #form input, #form button{
    margin: 15px;
}

#form label{
    font-size: 18px;
    color: #616161;
}

#form input{
    outline: none;
    border: 1px solid #313131;
    padding: 4px;
    width: 250px;
    font-size: 16px;
}

#form button{
    padding: 10px;
    background-color: skyblue;
    border: none;
    outline: none;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    font-size: 15px;
}

#form button:hover{
 background-color: #6dbfdf;
 transition: .3s ease;
}

.main-content{
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 100px;
    margin-left: 270px;
    padding: 10px;
}
.classs img{
    height: 200px;
    border-top-right-radius: 20px;
    border-top-left-radius: 20px;
}
.classs{
    /* display: none; */
    background-color: #a09f9f;
    width: 350px;
    height: 260px;
    border-radius: 20px;
}
.class-name{
    font-family: serif;
    color: #fff;
    position: relative;
    bottom: 100px;
    left: 10px;
}
.sub-name, .teacher{
    font-family: serif;
    color: #fff;
    position: relative;
    bottom: 110px;
    left: 10px;
}