styles.css

html{
    scroll-behavior: smooth;
}

body,ul,li,h1,h2,h3{
    margin:0;
    padding:0;
    font-family:Arial;
}

header{
    position: fixed;
    background-color: rgb(0, 0, 0);
    padding: 20px;
    text-align: center;
    width: 100%;
    top: 0 ;
    left: 0;
    z-index: 1;
}
h1{
    color:rgb(255, 255, 255);
    font-size: 40px;
    /* text-decoration: underline; */
    font-family: Arial;
    text-align: center;
}
h2{

    font-size: 18px;
    font-family: arial;
    text-align: left;
    display: block;
}
h3{
    font-size: 18px;
    font-family: arial;
    text-align: left;
}
.navbar{
    position: sticky;
    top: 75px;
    left: 0;
    border-color: black;
    border-width: 5px;
    border-style: solid;
    border-radius: 0px 0px 5px 5px;
    padding: 20px;
    /* margin-top:10px; */
    /* margin-bottom: 10px; */
    background-color: white;
    text-align: center;
    z-index: 1;
    
}

nav li{
    width: 25%;
    display: inline-block;
    font-size: 20px;
}

nav li a{
    color: black;
    text-decoration: none;
    font-weight: bold;
    font-family: Arial;
}
nav ul{
    white-space: nowrap;
    max-width: 1200px;
    margin: 0 auto;
}
/* body{
    /* margin-left: 20px;
    margin-right: 20px;
} */

img{
    width: 100%;
   
}
.banner{
    text-align: center;
    margin-top: 10px;
    margin-bottom: -5px;
}
.banner .info{
    text-align: center;
    position: absolute;
    left: 20px;
    top: 14%;
    background-color: black;
    padding: 10px;
    color: rgb(202, 202, 202);
    font-size: 24px;
    border-radius: 5px;

    
}
.banner h2 strong{
    color: white;
    font-weight: bold;
    font-size: 1.2em;
}

.first{
    color:red;
}
.second{
    color:blue;
}
p.second.big{
    font-size: 14px;
}

main h2{
    font-size: 32px;
    margin-bottom: 20px;
    margin-top: 120px;
    
}
main h2 em{
    color: white;
    font-weight: bold;
    font-size: 1.2em;
    background-color: black;
}

p{
    font-size: 14px;
    font-family: arial;
    /* text-align: left; */
    display: block;
}

div.text p{
        color:slategray;
        line-height: 20px;
        letter-spacing: 2px;
        column-count: 2;
        column-gap: 60px;
        text-align: center;
      
}

.mainPhoto{
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
   
}

main{
    max-width: 100%;
    width: 1200px;
    margin: 60px auto;
    padding: 0 40px;
    box-sizing: border-box;
}



.contact{
    text-align: center;
    background: #F4F4F4;
    padding: 60px 20px;
    color: black;
}
.contact h2{
    text-align: center;
    font-size: 28px;
}

form input{
    margin: 20px 0 ;
    padding: 10px 20px;
    font-size: 18px;
    border-radius: 30px;
    border: 3px solid white;
}

.content1{
    display: grid;
    /* grid-template-columns:30% 20% 50%; */
    grid-template-columns:repeat(3,minmax(50px, auto));
    grid-template-rows:repeat(2,minmax(200px, auto));
    /* grid-auto-rows: minmax(200px, auto); */
    /* max-width: 960px; */
    margin: 0 auto;
    /* grid-column-gap: 10px; */
    grid-gap: 20px;

  
}
.content1 div{
    background-color: #000;
    color: #fff;
    padding: 40px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.2)
    
}
.content1 div img{
    width: 100px;
}

.content2{
    display: grid;
    grid-template-rows:repeat(6,minmax(75px, auto));
    /* grid-auto-rows: minmax(200px, auto); */
    /* max-width: 960px; */
    margin: 0 auto;
    /* grid-column-gap: 10px; */
    grid-gap: 20px;
}
.content2 button{
    background-color: #000;
    color: #fff;
    padding: 2px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.2);
    border-color: #000;
    
}

.copyright{
    text-align: center;
    
}

footer{
    background:black;
    text-align: center;
    color: white;
    padding: 10px;
}


/* pseudo classes */
nav a:hover{
    text-decoration: underline;
}
form input:focus{
    border: 3px solid black;
    outline: none;
}
form input:valid{
    border: 3px solid #71d300;
}
::selection { 
    background-color: #000; 
    color: #fff; 

}
.content2 button:hover{
    background-color: #fff;
    color: #000;
}


/* responive styles */
@media screen and (max-width:1200px){
    .banner .info{
        font-size: 16px;
        
    } 
}
@media screen and (max-width:650px){
    .content1{
        display: grid;
        /* grid-template-columns:30% 20% 50%; */
        grid-template-columns:repeat(2,minmax(50px, auto));
        grid-template-rows:repeat(3,minmax(200px, auto));
 
    }
}

@media screen and (max-width:420px){
    .banner {
        font-size: 10px;
        text-align: center;

        
    } 
    .banner .info{
        left: 0;
        margin-top: -3px;
        position: relative;
        font-size: 14px;
        padding: 6px 0px;
    
    }
    header{
        position: relative;
        padding: 6px;
        width: auto;
        top: 0;
    }
    header h1{
        font-size: 32px;
    }
    .banner{
        top: 0;
        margin-top: -2px;
    }
    .navbar{
        position: sticky;
        top: 0;
    }

    .content1 div{
        padding: 20px;

    }
    .content1 div img{
        width: 75px;
    }
}