body {
    margin: 0;
    font-family: sofia-pro-soft, sans-serif;
    position: relative;

}
/*header*/
a {
    color: black;
    text-decoration: none;
    cursor: pointer;
}
header {
    margin: 50px;
    display: inline;
    position: relative;
}
.logo {
    padding: 50px;
    float: left;
}
nav{
    float: right;
    padding-top: 50px;
}
nav li {
    display: inline-block;
    padding-right: 35px;
    font-size: 14px;
}
nav .active{
    border-top: 2px solid #f9d10d;
    padding-top: 10px;
}

/*main*/
main{
    position: relative;
    margin-top: 200px;
}
h1 {
   font-size: 70px;
    padding-left: 180px;
    padding-right: 180px;
}
main img{
    padding-top: 50px;
    width: 100%;
}

/*about us section*/
.about-us{
    background-color: #f7f7f7;
    padding-top: 100px;
    padding-bottom: 120px;
    width: 100%;
    display: inline-flex;
    justify-content: space-around;
}
.about-us article {
    width: 260px;
}
.about-us h2 {
    font-size: 36px;
}
.about-us li {
    font-size: 16px;
}
.users-icon img{
    width: 40px;
    padding-top: 0;
}
.desktop-icon img{
    width: 40px;
    padding-top: 0;
}
.cogs-icon  img{
    width: 40px;
    padding-top: 0;
}

/*write comment section*/
.write-comment{
    background-color: #1d1e25;
    padding: 130px 180px 140px 180px;
    display: flex;
}
.write-comment .head {
    width: 320px;
    padding-right: 100px;
}
.write-comment h2{
    color: #ffffff;
    font-size: 55px;
}
.write-comment .form{
    color: #49a779;
    float: right;
    width: 100%;
    top: 0;
    left: 400px;
}
.form input{
    display: block;
    border: 1px solid #49a779;
    color: #49a779;
    background-color: #1d1e25;
    font-size: 16px;
    height: 50px;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
    width: 100%;
}
.form textarea{
    border: 1px solid #49a779;
    color: #49a779;
    background-color: #1d1e25;
    font-size: 16px;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
    width: 100%;
}
.form button{
    color: #1d1e25;
    background-color: #49a779;
    border: 5px solid #49a779;
    border-radius: 5px;
    font-size: 16px;
    height: 55px;
    width: 140px;
}
.error-message{
    color:red;
}
/*comments*/
.section-comm{
    margin-left: 180px;
    column-width: 550px;
    column-gap: 15px;
    width: 90%;
}
.comments{
    padding: 50px 20px;
    background-color: #ffffff;
    width: 90%;
    transition: opacity .4s ease-in-out;
    display: inline-block;
    column-break-inside: avoid;
}
.comments h5{
    font-size: 24px;
}
.comments p{
    font-size: 14px;
    color: #888888;
}
.comments button{
    color: #1d1e25;
    background-color: #49a779;
    border: 5px solid #49a779;
    border-radius: 5px;
    font-size: 16px;
    height: 55px;
    width: 140px;
}
.back-to-home{
   text-align: center;
   height: 100%;
   padding-bottom: 170px;
}
.back-to-home h2{
    color: #4a4d5e;
    font-size: 24px;
    padding: 40px;
}
.back-to-home a{
    padding: 20px;
    border-radius: 5px;
    border: 1px solid #49a779;
}
.back-to-home i{
    color: #49a779;
}

/*one comment*/
.comment{
    margin: 50px 300px;
}
.comment .back-to-comm i{
    color: #49a779;
    padding-right: 10px;
}
.comment a{
   text-decoration: underline;
}
.comment h2{
    font-size: 48px;
    padding-bottom: 100px;
    padding-top: 20px;
}
.comment p {
    font-size: 16px;
}
/*footer*/
footer{
    background-color: #1d1e25;
    position: absolute;
    right: 0;
    bottom: 0;
    width:100%;
}
footer div{
    border-top: 1px solid #3e404f;
    margin-left: 50px;
    margin-right: 50px;
    position: relative;

}
footer .information{
    float:left;
    color: #f7f7f7;
    font-size: 16px;
}
footer .foot{
    float: right;
    color: #4a4d5e;
    font-size: 16px;
}