*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Kumbh Sans', sans-serif;
    scroll-behavior: smooth;
    color: #fff;
    text-decoration: none;
}
.grid-container {
    display: grid;
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 175px)) minmax(0px, 1fr);
    grid-auto-rows: minmax(50px, auto);
    background-color: black;
}
/*nav*/
.navbar {
    grid-column: 1/9;
    grid-row:1/3;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    z-index: 2;
    width: 100%;
    top: 0;
    background-color: rgba(12, 12, 12, 0.98);
}
.navbar_container{
    display: flex;
    justify-content: space-between;
    grid-row: 2/3;
    z-index: 1;
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 50px;
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 2rem;
    grid-column: 2/3;
}
.full_menu{
    margin-left: auto;
    display: flex;
    align-items: center;
    list-style: none;
}
nav ul {
    grid-column: 4/7;
}
.navbar_item{
    grid-row: 2/3;
}
.navbar_links{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 125px;
    text-decoration: none;
    height:100%;
    color: rgba(225,225,225,0.5);
    text-decoration: underline;
    text-decoration-color: rgba(225,225,225,0.5);
    font-weight: bold;
    font-size: 1.5rem;
}
#homelink, #toolslink, #htmllink, #csslink, #aboutlink{
    color: #fff;
    text-decoration-color: #fff;
}
#homelink:hover, #toolslink:hover, #htmllink:hover, #csslink:hover, #aboutlink:hover{
    text-decoration-color: blue;
}
.navbar_links:hover{
    color: #FFFFFF;
    text-decoration-color: blue;
    transition: color 0.8s;
    opacity: 1;
}
/* hero */
.hero{
    grid-column:1/9;
    grid-row:3/10;
    text-align: center;
}
#homehero{
    background-image: url(../images/webcode.jpeg);
    box-shadow: inset 0 0 0 1200px rgba(90, 113, 206, 0.5);
    background-size: 110%;
    height: 460px;
    background-repeat: no-repeat;
    background-position: 80% 30%;
}
.hero h2{
    position: absolute;
    top: 40%;
    right:50px;
    color: #FFFFFF;
    font-size: 50px;
    text-align: left;
}
.botton{
    justify-content: center;
    align-items: center;
    padding: 0;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    grid-column: 5/6;
    height: 50px;

}
.hero_btn{
    position: absolute;
    justify-content: center;
    text-wrap: nowrap;
    margin: 16px;
    top:28%;
    grid-column: 6/7;
    grid-row: 6/7;
    margin-left: 190px;
}
.hero_btn button a{
    color: rgba(225,225,225,0.5);
    text-decoration: underline;
    text-decoration-color: rgba(225,225,225,0.5);
    padding: 8px 20px;
    border: none;
    outline: none;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.8);
    font-size: 1.2rem;
}
.hero_btn button a:hover{
    color: #FFFFFF;
    text-decoration-color: blue;
    transition: color 0.8s;
    box-shadow: 0 0 10px rgba(225,225,225,0.5)
}
#wrapper{
    grid-column:2/8;
    grid-row:10/19;
    text-align: center;
}
/*levels*/
.levels{
    background: black;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 10rem 0;
}
.levels h3{
    font-size: 3rem;
    padding: 20px;
    margin-top: -150px;
}
.levels h2{
    margin-top: 1rem;
    margin-right: 1rem;
    margin-left: 6px;
    font-size: 2rem;
}
.levels_wrapper{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr;
}
.levels_card{
    margin: 10px;
    height:350px;
    width:250px;
    border-radius:4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    background-color: black;
    box-shadow: 0 0 15px rgba(225,225,225,0.8);
    transition: 0.3s ease-in;
    padding:5px;
}
.levels_card h2{
    text-align: center;
    font-size: 1.9rem;
    padding:15px;
    margin-bottom: -5px;
    padding-top:10px;
}
.levels_card p{
    text-align: center;
    font-size: 20px;
    margin-bottom: -10px;
}
.levels_btn {
    display: flex;
    justify-content: center;
    margin-top: 14px;
}
.levels_card button{
    color: #fff;
    padding: 14px 24px;
    margin-bottom: 5px;
    border: none;
    outline: none;
    border-radius: 4px;
    background: black;
    font-size: 1rem;
}
.levels_card button:hover{
    cursor: pointer;
}
.levels_card:hover{
    transform: scale(1.015);
    transition:0.3s ease-in;
    cursor: pointer;
    box-shadow: 0 0 30px rgba(49, 155, 255, 0.99);
}


/*tool*/
.toolwrapper{
    display: grid;
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 175px)) minmax(0px, 1fr);
    grid-auto-rows: minmax(50px, auto);
    text-align: left;
}
.tool{
    grid-column:2/8;
    grid-row:1/5;
    margin-top: -330px;
}
.tool a{
    text-decoration: underline;
}
h2{
    margin-left: 2rem;
    padding:10px;
    font-size: 2.5rem;
}
h3{
    margin-left: 2rem;
    padding:10px;
    font-size: 1.5rem;
}
p {
    margin-left: 2rem;
    margin-right: 2rem;
    padding:10px;
    font-size: 1.3rem;
}
.description{
    margin: 20px;
    border: #fff;
    border-radius: 4px;
    display: inline-block;
    background-color: rgba(90, 113, 206, 0.7);
    z-index: 100;
}
.download{
    margin: 20px;
    border: #fff;
    border-radius: 4px;
    display: inline-block;
    background-color: rgba(90, 113, 206, 0.7);
    z-index: 100;
}
.tool ul{
    margin-left: 2rem;
    padding:10px;
}
.tool ol{
    padding:10px;
    font-size: 1.3rem;
}

/*html*/
.htmlwrapper{
    display:inline-block;
    text-align: left;
    margin-top: -330px;
}
#basics, #elements, #attributes,#selectors, #properties{
    margin: 20px;
    border: #fff;
    border-radius: 4px;
    display: inline-block;
    background-color: rgba(90, 113, 206, 0.7);
    z-index: 100;
}
/*css*/
.csswrapper{
    display:inline-block;
    text-align: left;
    margin-top: -330px;
}

/*about*/
.about{
    display:inline-block;
    text-align: left;
    top: 15%;
}
.footer{
    grid-column:1/9;
    grid-row:19/20;
    text-align: center;
}
@media only screen and (max-width:1300px){
    .levels_wrapper{
        grid-auto-columns: 1fr 1fr 1fr 1fr;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
@media only screen and (max-width:1200px){
    .levels_wrapper{
        flex-wrap: wrap;
        grid-auto-columns: 1fr 1fr;
        grid-auto-rows: 1fr 1fr;
        padding-left: 8rem;
        padding-right: 8rem;
    }
}
@media only screen and (max-width:1000px){
    .levels_wrapper{
        flex-wrap: wrap;
        grid-auto-columns: 1fr 1fr;
        grid-auto-rows: 1fr 1fr;
        padding-left: 10rem;
        padding-right: 10rem;
    }
}
@media only screen and (max-width:960px){
    .levels_wrapper{
        flex-wrap: wrap;
        grid-auto-columns: 1fr 1fr;
        padding-left: 6rem;
        padding-right: 6rem;
    }
    .levels_card{
        margin-top: 2rem;
    }
    .levels h3{
        margin-bottom: 2rem;
        font-size: 2.5rem;
    }
    .navbar{
        display: flex;
    }
    .navbar_container{
        display: flex;
        justify-content: space-between;
        grid-row: auto;
        z-index: 1;
        width: 100%;
        max-width: 1300px;
        padding: 0;
    }
    .full_menu{
        display: flex;
        margin: 0;
        width: 100%;
        position: fixed;
        opacity: 1;
        top:-50%;
        transition: 0.5s ease;
        z-index: -1;
        background-color: rgba(0, 0, 0, 0.8);
        flex-direction: column;
    }
    .full_menu.active{
        top:15%;
    }
    .logo{
        padding-left: 25px;
        font-size: 2rem;
    }
    .full_menu.active + .logo{
        display: none;
    }
    .mobile_menu .bar{
        width:30px;
        height:3px;
        transition: all 0.3s ease-in-out;
        background-color: #fff;
    }
    .navbar_item{
        width: 100%;
    }
    .navbar_item:hover{
        outline: none;
        border-color: rgba(225,225,225,0.5);
        box-shadow: 0 0 10px rgba(225,225,225,0.5);
    }
    .navbar_links{
        text-align: center;
        padding: 1rem;
        width:100%;
        display: table;
    }
    .mobile_menu{
        height: 50px;
        width: 50px;
        position: relative;
        margin-right: 1.3rem;
    }
    .mobile_menu span{
        position: fixed;
        height: 100%;
        width: 100%;
        background-color: #fff;
        border-radius: 25px;
        position: absolute;
        transform: translate(-50%,-50%);
        transition: 0.3s ease;
        margin-top: 1rem;
        margin-left: 1.8rem;
    }
    .mobile_menu span:nth-child(1){
        top:15%;
    }
    .mobile_menu span:nth-child(3){
        top:30%;
    }
    .mobile_menu.active span:nth-child(1){
        top: 25%;
        transform: translate(-50%,-50%) rotate(45deg);
    }
    .mobile_menu.active span:nth-child(2){
        opacity: 0;
    }
    .mobile_menu.active span:nth-child(3){
        top: 20%;
        transform: translate(-50%,50%) rotate(-45deg);
    }
    #wrapper h3{
        margin-left: 2rem;
    }
    #wrapper p{
        margin-left: 2rem;
    }
    .tool{
        text-align: left;
        margin-top: -300px;
    }

}
@media only screen and (max-width:768px){
    .levels_wrapper{
        grid-auto-columns: 1fr 1fr;
        padding-left: 4rem;
        padding-right: 4rem;
    }
    .levels_card{
        margin-top: 2rem;
    }
    .grid-container{
        grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0px, 150px)) minmax(0px, 1fr);
    }
    .navbar{
        grid-row: 1/2;
    }
    .hero{
        grid-row: 2/3;
    }
    .hero h2{
        top:25%;
        font-size: 30px;
    }
    #homehero{
        height:300px;
    }
    #wrapper{
        grid-row: 5/16;
    }
    .mobile_menu{
        margin-left: auto;
        position: fixed;
        right:0;
        margin-bottom: 1.5rem;
    }
    .mobile_menu span{
        margin-top:0.8rem;
    }
    .full_menu.active{
        top: 7%;
    }
    .tool{
        text-align: left;
        margin-top: -50px;
    }
}
@media only screen and (max-width:750px){
    .levels_wrapper{
        grid-auto-columns: 1fr 1fr;
        padding-left: 3rem;
        padding-right: 3rem;
    }
}
@media only screen and (max-width:650px){
    .levels_wrapper{
        grid-auto-columns: 1fr;
        margin: auto 0;
        padding-left: 10rem;
        padding-right: 10rem;
    }
    .levels_card{
        height:150px;
        width:450px;
    }
    .levels h3{
        margin-bottom: 2rem;
        font-size: 2rem;
    }
    .levels p{
        display: none;
    }
    .levels h2{
        margin:5px;
    }
    #homehero{
        grid-row: 2/3;
        grid-column:5/8;
        height: auto;
    }
    .hero{
        display: none;
    }
    .homeheroSentence{
        display: none;
    }
    #wrapper{
        grid-row-start: 3;
        width: auto;
    }
    #wrapper .BottomText{
        display: none;
    }
    .whole-level-choice{
        margin: auto;
        justify-content: space-around;
        text-align: center;
    }
    .full_menu{
        background-color: rgba(0, 0, 0, 0.9);
    }
    .footer{
        grid-row: 15/16;
    }
    .tool{
        text-align: left;
        margin-top: -20px;
    }
}