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

}
/*header*/
.dot {
    font-family: 'Times New Roman', Times, serif;
    font-size: 40px;
    color: #1dbf73;
    }
.header {
    width: 80%;
    margin: auto;
    color: rgb(90, 88, 88);
    margin-bottom: 0px;
    }
.nav {
    height: 80px;
    }

ul{
    list-style-type: none;
    box-sizing: border-box;
}
.nav li{
    float: right;
    font-size: 16px;
    font-weight: bold;
}
#logo {
    float: left;
    font-size: 30px;
    font-weight: 800;
    margin-right: 0px;
}
.nav > ul > li~li{
    margin-top: 12px;
    margin-right: 15px;
}
.nav > ul>.gap{
    margin-right: 150px;
    margin-left: 0px;
}
input{
    height: 28px;
    margin: 0px;
    width: 300px;
    border: 1px solid rgb(90, 88, 88);
    border-radius: 3px;
    margin-right: 0px;
}
.search{
    background-color:#1dbf73 ;
    color: white;
    height: 30px;
    margin: 0px;
    border: 1px solid #1dbf73;
    width: 70px;
    border-radius: 3px;
    margin-left: 0px;
    padding-top: 3px;
}
.search:hover{
    background-color: #0a7543;
}
.skyblue{
    color: #02c2a9;
}
.adjust{
    padding-top: 8px;

}
.adjust:hover{
    color: #1dbf73;
}
.join{
    border: 1px solid #1dbf73;
    width: 50px;
    background-color: white;
    padding:5px;
    color: #1dbf73;
    font-weight: bold;
    border-radius: 5px;
}
.join:hover{
    color: white;
    background-color: #1dbf73;
}
.mo{
    padding-top: 0px;
}
.nav2 li{
    float: left;
    height: 30px;
    margin: 5px 15px;
    margin-bottom: 0px;
    transition: 0.3s;
}
.nav2 li:hover{
    text-decoration: 3px underline #1dbf73;
    text-underline-position: under ;
}
/*End*/
/*heading*/
.heading{
    width: 80%;
    margin: auto;
    text-align: center;
    margin-top: 30px;
}
.heading h1{
    font-size: 40px;
}
.explainationvideo{
    color: blue;
    margin-top: 10px;
    margin-bottom: 0px;
    font-size: 16px;
}
.explainationvideo:hover{
    text-decoration: underline;
}
.heading > h1+p , .content> p~p{
    color: rgb(126, 119, 119);
    margin:5px;
    font-size: 16px;
}
/*categories*/
.categories{
    margin: 50px 50px;
    width: 80%;
    display: flex;
}
.row{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-around;
}
.row a{
    color: black;
    text-decoration: none;
    width: 250px;

}
.col-3{
    flex-basis: 30%;
    max-width: 300px;
    margin-bottom: 30px;
    position: relative;
    flex-wrap: wrap;

}
.col-3 img{
    width: 100%;
    border-radius: 5px;
    display: block;

}
.col-3 .overlay{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color:rgba(0,0,0,0.4);
    opacity: 0;
    height: 81%;
    transition: opacity 0.3s;
    border-radius: 5px;
}
.overlay:hover{
    opacity: 1 ;
}

.content2{
    min-width: 900px;
    margin:0px;

}

.small-container{
    width: 100%;
    padding-left: 25px;
    padding-right:25px;
    margin:auto;
}
.col-3 p , .content p{
    font-size: 16px;
    margin: 10px 0px;
}
.content{
    min-width: 250px;
    padding-left: 25px;
    padding-right:25px;
    text-align: left;
    margin-left: 80px;
    margin-right: 100px;
}
.content p~p{
    margin: 20px 0px;
    font-size: 16px;
}
.content p~p:hover{
    text-decoration: underline;
}
/*last part*/
.last_part{
    display: flex;
    text-align: center;
    background: rgb(243, 241, 241);
    margin: 70px 0;
    height: 200px;
    padding: 0px 100px;
    justify-content: center;

}
.last_part div{
    width: 400px;
    margin-left: 50px;
    margin-top: 50px;
    font-size: 16px;
    margin-right: 10px;
}
.last_part h3{
    font-size: 24px;
    font-weight: lighter;
}
/*Footer part*/
                                  /* footer top  */
                                  .footer-top {
                                    display: flex;
                                    flex-direction: row;
                                    border-top: 1px solid rgb(235, 231, 231);
                                    margin-top: 120px;
                                }
                                .footer-top .list {
                                    flex-grow: 1;
                                    padding: 30px;
                                    margin: 20px;
                                }
                                .footer-top li {
									padding-top: 20px;
									color: rgb(138, 133, 133);
                                }
                                .list > ul > .first-item {
                                    color: black;
                                    font-weight: bold;
                                }
                                .list > ul > .sub-item {
                                    color: rgb(192, 185, 185);
                                    font-size: 14px;
                                    padding-top: 4px;
                                }

                                .desc {
                                    width: 600px;
                                    padding-top: 120px;
                                }
                                .desc > h1, .get-started > h1 {
                                    font-size: 48px;
                                }
                                .list-bottom > li {
                                    color: black;
                                    float: right;
                                    padding: 20px 10px 30px;
                                }
                                .list-bottom > li:first-child {
                                    float: left;
                                }
                                .list-bottom > li:nth-child(2) {
        float: left;
}
                             /* footer bottom  */
                             .footer-bottom > .list-bottom> .inr-line, .footer-bottom > .list-bottom> .eng-line {
                                font-size: 14px;
                                font-weight: bold;
                                color: rgb(141, 135, 135);
                            }
                            .inr-line > i, .eng-line > i {
                                scale: 0.8;
                            }
                            .footer-bottom > .list-bottom> li:first-child {
                                font-size: 24px;
                                font-weight: 800;
                                margin-left: 36px;
                                color: #7a7a7a;
                            }
                            .reg {
                                font-size: 10px;
                                color: #8c8c8d;
                            }
                            .footer-bottom > .list-bottom> li:nth-child(2){
                                color: #9e9ea0;
                                margin-top: 10px;
                            }
                            .footer-bottom {
                                border-top: 1px solid rgb(228, 222, 222);
                            }
/*Screen Size*/
@media (max-width:1160px) {
    .categories >.content{
        display: none;
    }
    .categories{
        margin: auto;
        margin-top: 20px;
    }
    .header hr{
        margin: 10px;
    }
    .header .nav2{
        overflow: scroll;
        height: 20px;
    }
    .headClean{
        display: none;
    }
}