a4css.css

/**
 * CSS file for Coin Flip web app game (Assignment a4)
 * Created by Ayodeji Eniabire, Student ID; 000878946
 * on July 4th 2022
 */

 body{
    background-color: antiquewhite;
}

button{
    padding: 15px;
    margin: 10px;
}

#coin{
    height: 300px;
    width: 350px;
    transform-style: preserve-3d;
    text-align: center;
}

#coin-box{
    display: grid;
    grid-column-start: 2;
    grid-column-end: 3;
    margin-bottom: 20px;
 }

 #coinchoice{
    display: flex;
}

footer{
    text-align: center;
    line-height: 5px;
    font-size: small;
    margin: 10px;
    background-color:darkkhaki;
    background-size: cover;
    padding: 10px;
    padding-top: 20px;
}

footer a{
    color:blueviolet;
}

#fliptimes-error, #username-error{
    display: none;
    color: red;
}

.game-box{
    display: grid;
    grid-template-columns: 25% 50% auto;
    grid-template-rows: auto;
    grid-row-start: 2;
    grid-row-end: 3;
    height:fit-content;
}

#game-title{
    display: grid;
    grid-row-start: 1;
    grid-row-end: 2;
    text-align: center;
}

.grid-container{
    display: grid;
    grid-template-rows: auto auto auto;
    grid-template-columns: auto;
}

header{
    text-align: center; 
    padding-top: 5px;
    padding-bottom: 5px;
    margin: 10px;
    animation-name: change;
    animation-duration: 10s;
    animation-iteration-count: infinite;
    animation-direction: alternate-reverse;
}

header h3{
    font-family: monospace;
    overflow: hidden;
    white-space: nowrap;
    animation: typing 5s steps(20, end) forwards;
    font-size: 1.6rem;
    width: 0;
    color: blueviolet;
}

header img{
    animation-name: shake;
    animation-duration: 10s;
    animation-iteration-count: infinite;
}

#helpinfo{
    display: none;
    line-height: 5px;
}

#head, #tail{
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

input{
    padding: 10px;
    margin: 5px;
}

#prefrence{
    height: fit-content;
}


#result{
    display: grid;
    grid-column-start: 3;
    grid-column-end: 4;
    width: fit-content;
    height: fit-content;
}

#tail{
    transform: rotateX(180deg);
}
th{
    padding: 10px;
}

#username{
    height: fit-content;
}

#user-action{  
    display: block;
    grid-row-start: 3;
    grid-row-end: 4;
    text-align: center;
}

#user-input{ 
    display: grid;
    grid-column-start: 1;
    grid-column-end: 2;
    height: auto;
    width: fit-content;
}

#welcome-mesg{
    display: none;
    color: green;
}

@keyframes tail-flip{
    0%{
        transform: rotateX(0);
    }
    100%{
        transform: rotateX(1980deg);
    }
}

@keyframes head-flip{
    0%{
        transform: rotateX(0);
    }
    100%{
        transform: rotateX(2160deg);
    }
}

@keyframes change{
    0% {background-color:antiquewhite; }
    100% {background-color:darksalmon; }
}

@keyframes shake{
    from {transform: rotateY(0deg);}
    to {transform: rotateY(360deg);}
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
  }

  @media screen and (max-width: 599px) {
    .game-box{
        display: list-item;
        margin: 0;
    }
  
    th{
        padding: 0%;
    }

    #helpinfo{
        line-height: normal;
        font-size: small;
    }

    header h3{
        white-space: normal; 
    }

    button{
        padding: 5px;
    }

    #coin-box{
        text-align: center;
    }

    #user-action, #game-title, #coin{
        text-align: justify;
    }
}

@media screen and (max-width: 999px) and (min-width: 600px) {
    .game-box{
        display: list-item;
        margin: 0;
    }


}