styles.css

*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    box-sizing: border-box; 
    overflow-x: hidden; 
  
  }

.Header{
    background-color: #3b3b3b;
    padding: 2%;
    font-family: 'Montserrat', sans-serif;    color: whitesmoke;
    font-weight: 100;
}

.Footer{
    background-color: #3b3b3b;
    padding: 2%;
    font-family: 'Montserrat', sans-serif;    color: whitesmoke;
    font-weight: 100;
    margin-top: 50px;
    bottom: 0;

}
.footerLink{
    display: inline-block;
    vertical-align: middle;
    width: 10%;
}

.headerTitle{
    font-size: xx-large;
}
.LinkItem{
    display: inline-block;
    margin-left: 10vw;
    font-family: 'Montserrat', sans-serif;    color: whitesmoke;
    color: white;
    height: 100%;
    font-size: larger;
    transition: .2s;
}
.LinkItem:hover{
    color: gray;
    transition: .2s;
}

.fileLetter{
    font-size: large;
    position: absolute;
    font-family: 'Montserrat', sans-serif;    color: rgb(162, 105, 32);
    margin-left: 5%;
}
.rankNumber{
    font-size: large;
    position: absolute;
    font-family: 'Montserrat', sans-serif;    color: rgb(162, 105, 32);
    float: left;
    margin-top: -9%;
    margin-left: -6%;
}

#Board{
    width: 100%;
    height: 100%;
    border: 0.5px solid grey;
    border-radius: 2px;
    display: block;
    margin: 0 auto;
    font-size: 0;
}
.Container{
    display: block;
    height: 40vw;
    width: 40vw;
    margin: auto;
    position: relative;
    left: 0;
    right: 0;
    margin-top:5vh;
    overflow: visible;
}
.CapturedPiecesContainer{
    display: block;
    height: 20vw;
    width: 40vw;
    margin: auto;
    position: relative;
    padding-top: 10px;
    overflow: hidden;
}

.WhitePiecesCaptured{
    float: left;
    width: 40%;
    display: block;
    height: 100%;
    border-radius: 8px;
    background: #f8f8f8;
}
.BlackPiecesCaptured{
    float: right;
    width: 40%;
    display: block;
    height: 100%;
    border-radius: 8px;
    background: #f8f8f8;
}

.blackSquare{
    width: 12.5%;
    height: 12.5%;
    background-color: #d99d43;
    display: inline-block;
    margin: 0;
    padding: 0;
}

.whiteSquare{
    width: 12.5%;
    height: 12.5%;
    background-color: #ffe3b8;
    display: inline-block;
}

.tint{
    width: 12.5%;
    height: 12.5%;
    display: inline-block;
    background-image: url("Images/Tint.png");
}

.moveIndicator{
    width: 12.5%;
    height: 12.5%;
    display: inline-block;
    background-image: url("Images/MoveIndicator.png");
}

.kingInCheck{
    width: 12.5%;
    height: 12.5%;
    display: inline-block;
    background-image: url("Images/KingInCheck.png");
}

@keyframes PopUp {

    from {opacity: 0; top: 0;}
    to {opacity: 1; top: 10%;}
  }

/*popup*/
#PopUp{
    
    top: 10%;
    width: 30vw;
    height: auto;
    padding-bottom: 10%;
    border-radius: 10px;
    display: block;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    z-index: 10;
    background-color: #f2f2f2;
    box-shadow: 1px 1px 5px 5px rgba(0, 0, 0, 0.4);
    animation-name: PopUp;
    animation-duration: 1s;

}
.PopUpHeader{
    position: relative; 
    background-color: #51b035; 
    height: auto; 
    padding: 5%;
    color: white; 
    width: 100%; 
    text-align: center;
}
.PopUpBody{
    position: relative; 
    display: block;
    color: white; 
    height: auto; 

    text-align: center;
}
.PopUpText{
    color: white; 
    position: relative; 
    top: 20%;
    font-family: 'Montserrat', sans-serif;}
.PopUpBodyText{
    color: #a5a5a5; 
    position: relative; 
    top: 20%;
    font-family: 'Montserrat', sans-serif;}

.ChooseSideButton{
    background-color: #51b035;
    border: none;
    outline: none;
    border-radius: 5px;
    padding: 10px;
    color: white;
    position: relative;
    margin-top: 10px;
    transition: 0.2s;
    height: auto;
    margin-left: 5px;
    margin-right: 5px;
    font-family: 'Montserrat', sans-serif;
}
.ChooseSideButton:hover{
    background-color: #2f711b;
    cursor: pointer;
    transition: 0.2s;
}
.ChooseSideButton:active{
    transform: scale(0.95);
}

.DifficultyButton{
    background-color: #51b035;
}
.DifficultyButton:focus:hover{
    background-color: #446fd1;
}
.DifficultyButton:focus{
    background-color: #5286ff;
}



/*Pawn promotion*/
#Promotion{
    font-size: 0;
    top: 15%;
    width: 20vw;
    height: 5vw;
    border-radius: 8px;
    display: block;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    background-color: #f2f2f2;
    box-shadow: 1px 1px 5px 5px rgba(0, 0, 0, 0.4);
    
}
.PromotionOptions{
    font-size: 0;
    height: 100%;
    width: 25%;
    position: relative;
    display: inline-flex;
    overflow: hidden;
}

.buttonsContainer{
    display: block;
    position: relative;
    margin: auto;
    width: 75%;
    padding-top: 25px;

}
.resignButton{
    width: auto; 
    background-color: #fd3e30;
    overflow: hidden;
    padding: 10px;
    position: relative;
    display: inline-block;
    margin: auto;
    
    outline: none;
    border: none;
    border-radius: 5px;
    font-size: larger;
    color:white;
    font-family: 'Roboto', sans-serif;
    transition: 0.2s;

}
.resignButton:hover{
    background-color: #d12b1f;
    transition: 0.2s;
    cursor: pointer;
}
.resignButton:active{
    transform: scale(0.95);
}

.viewBoardButton{
    background-color: rgb(255, 145, 0);
    border: none;
    outline: none;
    border-radius: 5px;
    padding: 10px;
    color: white;
    margin-top: 10px;
    transition: 0.2s;
    font-family: 'Montserrat', sans-serif;
    display: block;
    width: auto;
    float: right;
    margin-right: 5vw;
    cursor: pointer;
}


.drawButton{
    width: auto; 
    background-color: #797979;
    overflow: hidden;
    padding: 10px;
    margin-top: 10px;
    display: inline-block;
    position: relative;
    margin: auto;

    outline: none;
    border: none;
    border-radius: 5px;
    font-size: larger;
    color:white;
    font-family: 'Roboto', sans-serif;
    transition: 0.2s;
}
.drawButton:hover{
    background-color: #5e5e5e;
    transition: 0.2s;
    cursor: pointer;
}
.drawButton:active{
    transform: scale(0.95);
}

.squareHover{
    cursor: default;
}
.squareHover:hover{
    cursor: pointer;
}

.name{
    float: right; font-weight: 300; font-size:larger; color: lightgray;
    padding-top: 1.5vh;
}
nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    min-height: 11vh;
    background-color: #3b3b3b;
    font-family: 'Montserrat', sans-serif;
}

.footer-links{
    display: flex;
    justify-content: space-around;
    width: 50%;
    vertical-align: middle;
    z-index: 0;
}
@media screen and (max-width: 1000px){
    .Container{
        width: 80vw;
        height: 80vw;
    }
    .CapturedPiecesContainer{
        width: 80vw;
        height: 40vw;
    }
    #PopUp{
        width: 60vw;
    }
    .resignButton{
        font-size: small;
    }
    .drawButton{
        font-size: small;
    }

    .LinkItem{
        display: inline-flex;
        padding-left: 3vh;
        font-size: small;
        margin-left: 5vw;
    }
    .headerTitle{
        font-size: x-large;
    }
    .PopUpBodyText{
        font-size: large;
    }
    .PopUpText{
        font-size: large;
    }
    #Promotion{
        width: 40vw;
        height: 10vw;
    }
    .name{
        font-size: medium;
    }
    .footer-links{
        width: 75%;
    }
}

@media screen and (max-width: 800px){
    .footer-links{
        width: 100%;
    }
}


/*board themes*/
.BrownThemeBlack{
    background-color: #d99d43;
}
.BrownThemeWhite{
    background-color: #ffe3b8;
}

.BlueThemeBlack{
    background-color: #51aff3;
}
.BlueThemeWhite{
    background-color: #b9e2ff;
}

.GreenThemeBlack{
    background-color: #51b035;
}
.GreenThemeWhite{
    background-color: #cfe2d2;
}



.brownButton{
    background-color: #d99d43;
    border: none;
    outline: none;
    border-radius: 5px;
    padding: 15px;
    position: relative;
    margin-top: 10px;
    transition: 0.2s;
    height: auto;
    margin-left: 5px;
    margin-right: 5px;
}
.blueButton{
    background-color: #51aff3;
    border: none;
    outline: none;
    border-radius: 5px;
    padding: 15px;
    position: relative;
    margin-top: 10px;
    transition: 0.2s;
    height: auto;
    margin-left: 5px;
    margin-right: 5px;
}
.greenButton{
    background-color: #51b035;
    border: none;
    outline: none;
    border-radius: 5px;
    padding: 15px;
    position: relative;
    margin-top: 10px;
    transition: 0.2s;
    height: auto;
    margin-left: 5px;
    margin-right: 5px;
}



.brownButton:focus, .blueButton:focus, .greenButton:focus{
    border: 2px solid black;
    transition: .2s;
}