style.css

* {
    box-sizing: border-box;
}

[class*="col-"] {
    
    width: 100%;
    float: left;
}

.row::after {
  content: "";
  clear: both;
  display: table;
}

img {
    
    max-width: 100%;
}

body {
    
    margin: 0;
}

header {
    
    padding: 10px;
    display: flex;
    flex-direction: row;
    
    
}

.small-header {display: block;}
.big-header {display: none;}

.header-img {
    
    width: 80%;
    padding: 5px 50px;
    float: left;
    
  
}

#header-img {
    
    max-width: 100%;
        
}

.header-menu {
    
    width: 20%;
    display: flex;
    justify-content: center;
    padding-top: 20px; 
}

.menu-btn {
    
    background: black;
    border-radius: 50%;
    width: 20px;
    height:20px;

}

.small-nav {
    
    display: none;
    flex-direction: column;
    width: 70%;
    height: 100%;
    background-color: white;
    position: absolute;
    right: 0px;
    top: 80px;
    padding-left: 30px;
}

.small-menu-link {
    
    font-family: verdana;
    font-size: 13px;
    padding: 10px;
    color: dimgray;
    text-decoration: none;

}

.big-header {
    
    height: 60px;
    padding-top: 10px;
 
}

    
}

.logo-link {
    
    float: left;
    
    
}

.big-header-logo {
    
    float: left;
    overflow: hidden;
    display: block;
    width: 120px;
    margin-left: 80px;
     
}

.big-menu {
    
    position: absolute;
    float: right;
    right: 10px;
    padding-top: 10px;
    
    
}

.big-menu-link {
    
    font-family: verdana;
    font-size: 13px;
    padding: 10px;
    color: dimgray;
    text-decoration: none;

}

.big-menu-link:hover {
    
    cursor: pointer;
    color: #cc6600;
}

.big-menu-link:active {
    
    cursor: pointer;
    color: #cc6600;
}


.social-networks {
    
    
    float: left;
    width: 5%;
    height: 400px;
    display: none;
        
}

.social-networks-menu {
    
    
    display:flex;
    flex-direction: column;
    justify-content: center;
    
}

.social-networks-link {
    
    
    display: block;
    margin: 10px 0 80px 0;
    transform: rotate(-90deg);
    font-family: verdana;
    font-size: 12px;
    font-weight: bold;
    
}
.social-networks-link:hover {
    
    color: #cc6600;
    cursor: pointer;
}

.slider {
    
    float: left;
    width: 100%;
/*    position: relative;*/
    
}

.myslides {
    
    display: none;
    height: 600px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding: 40px;

}


#slide-1 {
    
    background-image: url(architectural-visualization-villa-project.jpg);
    display: block;
    
}

#slide-2 {
    
    background-image: url(architectural-visualization-dazzling-design.jpg);
    
    
}

#slide-3 {
    
    background-image: url(architectural-visualization-norvegian-chucrh-1920.jpg);
    padding-top: 250px;
    
    
}

.number-text {
    
    color: black;
    font-family: verdana;
    font-size: 14px;
    margin-bottom: 20px;
    
}

.slide-caption {
    
    color: black;
    font-family: verdana;
    font-size: 30px;
    font-weight: bold;
    left: 40px;
    margin-top: 0px;
    margin-bottom: 30px;
    
    
}

.slide-btn {
    
    color: white;
    font-family: verdana;
    font-size: 10px;
    background-color: #cc6600;
    padding: 10px 20px;
    left: 40px;
    border: none;
    
}

.number-text-t2 {
    
    color: white;
    font-family: verdana;
    font-size: 14px;
    margin-bottom: 20px;   
    
}

.slide-caption-t2 {
    
    color: white;
    font-family: verdana;
    font-size: 30px;
    font-weight: bold;
    left: 40px;
    margin-bottom: 20px;
    
}

.slide-btn-t2 {
    
    color: white;
    font-family: verdana;
    font-size: 10px;
    background-color: #cc6600;
    padding: 10px 20px;
    left: 40px;
    border: none;
    
}

.navigator {
    
    height: 80px;
    padding-top: 25px;
    display: none;
    
}

.navigator-link {
    
    background: none;
    font-family: verdana;
    font-size: 10px;
    border: none;
}

.navigator-link:hover {
    
    color: #cc6600;
    cursor: pointer;
}

.blank {
    
    float: left;
    width: 5%;
    display: none;
}


[id*="services-"] {
    
    height: 600px;
    background-position: center;
    background-size: cover;
    padding: 15px;
    text-align: center;
    color: white;
}

#services-1 {
    
    background-image: url(architectural-visualization-business-center-lobbey.jpg);
    color: black; 
}

#services-2 {
    
    background-image: url(architectural-visualization-white-villa-exterior150738.jpg);
    
   
}

#services-3 {
    
    background-image: url(architectural-rendering-business-center-france.jpg);
    
}

h3 {
    
    font-family: verdana;
    font-size: 28px;
}

h4 {
    
    font-family: verdana;
    font-size: 16px;
    line-height: 25px;
    
}

.services-btn {
    
    background: none;
    padding: 10px;
    border-style: solid;
    border-width: 1px;
    border-color: #F3E2A9;
    font-family: verdana;
    font-size: 12px;
    color: white;
}

.services-btn:hover {
    
    background-color: lightgray;
    color: black;
}

#services-1 button {
    color: black;
}

h2 {
    
    font-family: verdana;
    text-align: center;
    font-weight: bold;
    line-height: 40px;
    font-size: 35px;
    padding: 15px;
}
#properties {
    
    padding: 30px 10px 10px;
    margin-bottom: 0px;
}

.tablinks {
    
    background: none;
    color: darkgray;
    font-family: verdana;
    font-size: 14px;
    border: none;
    font-weight: bold;
    margin-right: 10px;
    
    
}

.tab button:hover {
    
    color: #F3E2A9;
}

.tab button .active {
    
    
    border: none;
    color: #cc6600;
}

.tabcontent {
    
    display: none;
    font-family: verdana;
    font-size: 16px;
    line-height: 25px;
    
}

.tab-img {
    
    height: 40px;
    margin: 0;
}

#next {
    display: block;
}

#prop-tab {
    
    max-width: 100%;
    padding-bottom: 40px;
}

.tabcontent-items {
    
    display: block;
}

.tabcontent-items-item {
    
    margin-right: 20px;
    
}

.tabcontent-items p{
    
    line-height: 20px;
    font-size: 14px;
}

h5 {
    
    font-size: 20px;
    margin-top: 0;
    font-family: verdana;
}

.work-slides {
    
    display: none;
}

#work-slides-1 {
    
    display: block;
}

.clients-mob {
    
    justify-content: center;
    background-color: black;
    display: flex;
    
}

.clients {
    
    display: none;
}

.client-img {
    
    margin: 20px;
}

footer {
    
    background-color: gainsboro;
    padding: 50px 100px;
}

.footer-logo {
    
    width: 150px;
}

.adress {
    
    font-family: verdana;
    font-size: 12px;
}

.copyright {
    
    font-size: 11px;
    margin-top: 40px;
}

h6 {
    
    font-family: verdana;
    font-size: 28px;
    margin-top: 0px;
    margin-bottom: 20px;
}

.pages a {
    
    font-family: verdana;
    font-size: 12px;
    text-decoration: underline;
    display: block;
    margin: 10px 0px;
}

.contact a {
    
    font-family: verdana;
    font-size: 16px;
    text-decoration: underline;
    display: block;
    margin: 10px 0px;
}




/*special styles for services page*/

.title-img {
    
    float: left;
    width: 100%;
    background-image: url(3d-rendering-services-forest-house35680.jpg);
    height: 600px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    margin-bottom: 60px;
}

.title-content {
    
    font-family: verdana;
    text-align: center;
    color: white;
    padding: 40px 20px;
    
}

.title-p-t1 {
    
    font-size: 13px;
    line-height: 20px;
    
}

.title-p-t2 {
    
    font-size: 22px;
    font-weight: bold;
    padding: 0px 10px;
    margin-top: 20;
    margin-bottom: 0;
}

#introduction-title {
    
    padding: 0 20px 50px;
    text-align: center;
    font-family: verdana;
}

h1 {
    
    font-size: 25px;
    
}

#introduction-step p {
    
    font-style: italic;
    line-height: 30px;
    font-size: 14px;
    
}

.contact-estimate {
    
    background-color: black;
    font-size: 20px;
    color: #F1F1F1;
    font-weight: bold;
    height: 200px;
    text-align: center;
    font-family: verdana;
    padding: 70px 20px;
    
}

.contact-estimate p {
    
   margin: 0px;
    
}

.services-introduction {
    
    padding: 0;
}

#interior {
    
    background-color: #F1F1F1;
    margin-top: 80px;
    margin-bottom: 80px;
}

#interior-content {
    
    padding:  20px 30px;
    font-family: verdana;
    
}

#interior-content p {
    
    line-height: 25px;
    font-size: 14px;
}

#interior-content a {
    
    font-size: 12px;
    color: #cc6600;
    
}


/*for desktop*/
@media only screen and (min-width: 768px) {

    
.col-1 {width: 8.33%;}
.col-2 {width: 16.66%;}
.col-3 {width: 25%;}
.col-4 {width: 33.33%;}
.col-5 {width: 41.66%;}
.col-6 {width: 50%;}
.col-7 {width: 58.33%;}
.col-8 {width: 66.66%;}
.col-9 {width: 75%;}
.col-10 {width: 83.33%;}
.col-11 {width: 91.66%;}
.col-12 {width: 100%;}
    
    .small-header {display: none;}
    
    .small-nav {display: none;}
    
    .big-header {display: block;}
    
    .social-networks {
        display: block;
    }
    
    .blank {
        display: block;
    }
    
    .navigator {
        display: block;
    }
    
    .slider {
        width: 90%;
    }
    
    .myslides {    
        height: 500px;
    }
    
    .slide-caption {font-size: 50px;}
    .slide-caption-t2 {font-size: 50px;}
    
    .clients-mob {
    
        display: none;
    
    }
    
    .clients {
    
    display: flex;
    flex-direction: row;
    justify-content: center;
    background-color: black;
    padding: 80px; 
    }
    
    #properties {    
        padding: 30px;
        margin-bottom: 60px;
    }
    
    .tabcontent-items {    
        display: flex;
    }
    
    #prop-tab {
        padding: 40px 80px;
    }
    
/*style for services page*/
    
    .title-img {
    
        float: left;
        width: 90%;
        height: 500px;
        margin-bottom: 60px;
    }

    .title-content {
    
        padding-top: 250px;
    }

    .title-p-t1 {
    
        font-size: 16px;
        font-weight: bold;
    
    }

    .title-p-t2 {
    
        font-size: 60px;
        font-weight: bold;
        padding: 0px 80px;
        margin-top: 0;
        margin-bottom: 0;
    }
    
    #introduction-title {
    
        padding: 0 100px 50px;
        text-align: center;
        font-family: verdana;
    }
    h1 {
    font-size: 35px;
    }
    
    .contact-estimate {
    
    font-size: 50px;
    font-weight: bold;
    height: 200px;
    padding-top: 60px;
    
    }
    
    .services-introduction {
    
    padding: 110px 90px 0px;
    }
    
}