.main-header{
    background: rgb(51,51,51);
    background: linear-gradient(180deg, rgba(20,20,20,1) 0%, rgba(51,51,51,1) 100%);
}
.main-header nav ul li a{
    color: #808080;

}
.section-service{
    background: rgb(51,51,51);
    background: linear-gradient(0deg, rgba(20,20,20,1) 0%, rgba(51,51,51,1) 100%);
}