test.css

.container-fluid{
    background-color:#4086cb;
    margin-bottom:100px;

}
.intern_head{
    margin-top:10px;
    margin-bottom:10px;
}
.intern_head a{
    font-size:30px;
    color:white;
    margin-left:25px;
    margin-bottom:10px;
    
   /* padding-top:20px;*/
}
.intern_head a span{
    font-weight:600;
}

.intern_head a:hover{
    color:white;
}
nav ul{
    text-decoration-style: none;
    margin-top:20px;
    font-size:17px;
    margin-bottom:10px;
   
}
nav ul li{
    display:inline-block;
    
    
    
}
nav ul li a{
    color:white;
    margin-right:20px;
    padding:10px;
    padding-bottom:20px;
    font-weight: 600;
    
}

nav ul li:last-child a{
 border: 2px solid white;
    border-radius: 30px;
    padding: 5px 16px;   
}
nav ul li a:hover{
    color:white;
    
}

.intern_container_fluid{
    width:100%;
}
#block{
    letter-spacing: 3px;
}

h1{
    font-size:35px;
    margin-bottom:30px;
}
h1,h6{
    font-weight:600;
    
}
h6{
    font-size:15px;
    margin-bottom: 50px;
}

.intern_space a img{
    margin-bottom: 20px;
    margin-left:100px;
    margin-top:80px;
    width=100%;
}

.intern_space a img#size{
    margin-top: 40px;
    }

.intern_custom{
    font-size:40px;
}

.intern_head{
    font-weight:bold;
}

.intern_line{
    margin-bottom:30px;
}

h2{
   
    font-style: italic;
    font-weight:bold;
}

.active{
    margin-top:30px;
}

.intern_back{
    background-color:#3c3d41;
    height:130px;
    margin-top:30px;
}

.col-md-6 h5{
    margin-top:20px;
    color:white;
    font-weight:bold;
    font-size:25px;
}

.col-md-6 ul li a{
    color:whitesmoke;
    text-decoration: none;
}



.intern_img{
    font-size:40px;
    margin-left:20px;
    margin-top:40px;
    color:white;
}

.intern_twitter:hover{
    color:deepskyblue;
}

.intern_facebook:hover{
    color:royalblue;
}

.intern_git:hover{
    color:white;
}

.btn{
    margin-top:20px;
   
}
.intern_footer{
    background-color: #333333;
    height:30px;
}

footer{
    color:white;
}
.intern_container{
    width:100%;
}

@media (max-width: 750px) { 
.intern_back{
    background-color:#3c3d41;
    height:250px;
    margin-top:30px;
}
    
    .intern_head a{
        font-size:25px;
    }
} 

@media (min-width: 760px) and (max-width:1000px){
   .intern_back{
    background-color:#3c3d41;
    height:250px;
    margin-top:30px;
} 
    
}