@import url('https://fonts.googleapis.com/css2?family=Open+Sans&family=Roboto:wght@100&display=swap');

body{
    padding: 0;
    margin: 0;
    font-family: Open Sans;
    background-color: #e7e7e7
}

header{
    background-image: url(pic/geometry-1023842_1920.jpg);
    width: 100%;
    height: 300px;
    background-size: cover;
    background-position: top;
    margin: 0;
    background-color: ;
    margin-top: 0;
    padding-top: 0.1px
}

.a1{font-size: 45px;
    }

.a2{
  font-size: 26px;  
}

.head{
    margin-left: 150px;
    margin-top: 0px;
    color: snow;
    line-height: 20px;
}

.nav1{
    height: 50px;
    width: 100%;
    margin: 0px;
    background-color: #ff774c;
    position: absolute;
}

.ul1{
    list-style: none;
    display: flex;
    justify-content: space-around;
    margin-top: 0;
}

a{
    text-decoration: none;
    color: white;
    height: 100%;
    width: 100px;
}

a:link{
    color: white;
    }

.c1{
    width: 250px;
    height: 45px;
    text-align: center;
    padding-top: 5px;
    border-radius: 100px;
    transition: 0.5s;
    font-size: 24px
}

.c1:hover{
    background-color: #FF9B71;
    transition: 0.5s
}

.c2{
    background-color: #FF9B71;
    width: 250px;
    height: 45px;
    text-align: center;
    padding-top: 5px;
    border-radius: 100px;
    font-size: 24px;
    color: white
}

.container{
    width: 1200px;
    height: 100%;
    display: flex;
    justify-content: center;
    margin: auto;
    margin-top: 75px;
    
}

main{
    width: 820px;
    background-color: white;
    padding: 20px;
    margin: 20px;
    padding-top: 5px
}


.li2{
    border-bottom: solid 1px #ff774c;
    color: #ff774c;
    width: 100%;
    font-size: 20px;
}

.ul2{
    list-style: none;
}

.t3{
    color:black;
    text-decoration: underline
}

.t4{
    color: #ff774c
}

.t5{
    font-size: 30px
}

.b2{
    font-size: 13px
}


.b3{
    line-height: 30px
}


i{
    font-size: 30px;
    padding: 5px;
}

.fa-readme{
    color: #ff774c;
}

.fa-readme:hover{
        color: #ff774c;
        
}


.icon3{
    width: 50px;
    height: 50px;
    margin-top: 20px;
    margin-left: 10px
}

.icon3:hover{
    vertical-align: middle;
    animation: bookAnim 2s infinite linear;
}

.d1{
    width: 260px
}
.d1:hover > .icon3{
    vertical-align: middle;
    animation: bookAnim 2s infinite linear;
}

.d2{
    width:809px
}

.icon2{
       width: 50px;
    height: 50px;
    margin-top: 50px;
    margin-right: 90px ;
    vertical-align: middle;
}

.d2:hover > .icon2{
    vertical-align: middle;
    animation: bookAnim 2s infinite linear;
}

.d3{
   width:850px 
}

.d3:hover > .icon3{
    vertical-align: middle;
    animation: bookAnim 2s infinite linear;
}


.fa-vk{
    width: 35px;
    height: 35px;
    transition: 0.2s;
    margin-left: 5px;
    padding: 5px;
    padding-top: 7px;
    color: #597da3

}

.fa-vk:hover{
    background-color: #597da3;
    border-radius: 50%;
    transition: 0.5s
}

.fa-instagram{
    width: 35px;
    height: 35px;
    transition: 0.2s;
    margin-left: 5px;
    text-align: center;
    color: #C13584;
}

.fa-instagram:hover{
    background-color: #C13584;
    border-radius: 100%;
    transition: 0.5s
}

.fa-facebook-f{
    width: 35px;
    height: 35px;
    transition: 0.2s;
    margin-left: 5px;
    color: #3b5998;
    text-align: center
    
}

.fa-facebook-f:hover{
    background-color:  #3b5998 ;
    border-radius: 100%;
    transition: 0.5s
}

i:hover{
    color: #fff;
}
.con1{
        display: block;
}

.con2{
    margin-right: 10px;
    margin-top: 10px;
}

.con3{
    margin-left: 10px;
    margin-top: 10px
}

.t1{margin-top: 10px;
color: white}

footer{
    margin-top: 50px;
    background-color: #ff774c;
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: space-between
}


.t2{
    text-decoration: underline
}

@keyframes bookAnim {
    0%,100%{transform: scale(1)}
    20%{transform: scale(1.5)}
    40%{transform: scale(1.2)}
    60%{transform: scale(1.5)}
    80%{transform: scale(1)}
}

input[type="checkbox"] {
  display: none;
}

    .fa-caret-down{
        color: white;
        display: none
    }

.btn{
    display: none;
}


@media (max-width:1024px) and (min-width:601px){


header{
    background-image: url(pic/geometry-1023842_1920.jpg);
    width: 100%;
    height: 300px;
    background-size: 220%;
    background-position: -250px 0px;
    margin: 0;
    background-color: ;
    margin-top: 0;
    padding-top: 0.1px;
      border-bottom: solid 5px #4e4f50;
}

 .a1{font-size: 45px;
     line-height: 50px
    }

.a2{
  font-size: 26px;  
    line-height: 30px;
    margin-top: 40px
}

.head{
    margin-left: 20px;
    margin-top: 0px;
    color:snow;
    line-height: 10px;
    display: flex;
}
    
    img{
        width: 50%
    }
    
    
.nav1{
    height: 220px;
    width: 300px;
    background-color: #ffcdb3;
    text-align: left;
    border-radius: 20px;
    margin-top: 20px;
    border: solid 4px #ff774c;
    padding: 10px;
    position: relative;
    margin-left: 20px
}



.c1{
    border-bottom: solid 1px #ff774c;
    color: #ff774c;
    width: 100%;
    font-size: 20px;
    background-color: #ff774c;
    margin-top: 5px;
}
    
    .c2{
    border-bottom: solid 1px #ff774c;
    color: #ff774c;
    width: 100%;
    font-size: 20px;
}


.ul1{
    list-style: none;
    justify-content: space-around;
    margin-top: 0;
    display: block;
    margin-left: 0px;
    padding: 0px
}

    
    
a{
    text-decoration: none;
    color: white;
}

a:link{
    color: white;
    }



.c1:hover{
    background-color: #FF9B71;
    transition: 0.5s
}


    
    .c3{
 margin-top: 5px;
    }
    
  .container{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    margin: auto;
    margin-top: 20px;
    
}

main{
    width: 100%;
    background-color: white;
    padding: 20px;
    margin: 20px;
    padding-top: 0px
}
    
    .d2{
        width: 100%;
    }
    
    .d3{width: 100%}

aside{
display: none
}
    
}

@media (max-width:600px) and (min-width:0px){
    body{
    margin: 0px;
    padding: 0px;
}
    
        


main{
    width: 100%;
    background-color: white;
    padding: 20px;
    margin: 20px;
    padding-top: 5px;
    margin-top: 0px
}


header{
    background-image: none;
    width: 100%;
    height: 75px;
    background-size: cover;
    background-position: top;
    margin: 0;
    background-color: ;
    margin-top: 0;
    padding-top: 0.1px;
    background-color: #ff774c
}

.a1{font-size: 20px;
    line-height: 25px;
    }

.a2{
  font-size: 13px;  
  line-height: 15px;
}


    .con2{
        margin-left: 100px;
        width: 100px;
        margin-right: 250px
    }
  
    .t1{
        font-size: 10px
    }
    
    i{
       font-size: 25px ;
        margin: 0;
    }
    
    

    
a{
    text-decoration: none;
    color: white;
    height: 100%;
    width: 100px;
}

a:link{
    color: white;
    }

 .head{
    margin-left: 10px;
    margin-top: 0px;
    color: snow;
    line-height: 25px;
    display: block;
}

      .container{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    margin: auto;
    margin-top: 20px;
    
}

    img{
        width: 50%
    }
    
.nav1{
    height: 220px;
    width: 300px;
    background-color: #ffcdb3;
    text-align: left;
    border-radius: 20px;
    border: solid 4px #ff774c;
    padding: 10px;
    position: relative;
    margin-left: 20px;
    margin: 0 auto;
    margin-top: 20px;
}



.c1{
    border-bottom: solid 1px #ff774c;
    color: #ff774c;
    width: 100%;
    font-size: 20px;
    background-color: #ff774c;
    margin-top: 5px;
}
    
    .c2{
    border-bottom: solid 1px #ff774c;
    color: #ff774c;
    width: 100%;
    font-size: 20px;
}
    
    .c3{
        margin-top: 5px;
    }


.ul1{
    list-style: none;
    justify-content: space-around;
    margin-top: 0;
    display: block;
    margin-left: 0px;
    padding: 0px
}
    
    .icon{
        display: flex;
        margin-right: 0px
    }
    
    .con3{
        margin-top: 5px;
       width: 200px
}
    
    footer{
    display: flex;
    justify-content: none;
        overflow: hidden;
}
    
    .t4{
        margin-left: 50px;
        width: 153px;
        font-size: 14px;
        text-align: center;
    }
    
    .fa-bars{
        text-align: center;
        color: white;

    }
    
    .d2{
        width: 100%
    }
    
    .d3{width: 100%}

        aside{
display: none;
}
    
    .fa-vk{
    width: 25px;
    height: 25px;
    transition: 0.2s;
    margin-left: 5px;
    padding: 5px;
    padding-top: 7px;
    color: #597da3

}
.fa-instagram{
    width: 25px;
    height: 25px;
    transition: 0.2s;
    margin-left: 5px;
    text-align: center;
    color: #C13584;
}
.fa-facebook-f{
    width: 25px;
    height: 25px;
    transition: 0.2s;
    margin-left: 5px;
    color: #3b5998;
    text-align: center
    
}
    
    .icon3{
    width: 50px;
    height: 50px;
    margin-top: 0px;
    margin-left: 0px
}
.icon2{
       width: 50px;
    height: 50px;
    margin-top: 0px;
    margin-right: 0px ;
    vertical-align: middle;
}
}