main.css

@import url('https://fonts.googleapis.com/css2?family=Gothic+A1:wght@100&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100;300;400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP&display=swap');
*{
    box-sizing: border-box;
}
body, html{
    margin: 0;
    padding: 0;
    background-color: rgba(250, 235, 215, 0.322);
    box-sizing: border-box;
    height: 100%;
    /* text-align: center; */
    /* align-items: center; */
    position: relative;
    overflow: auto;
    font-family: 'Noto Sans JP', sans-serif;
}
#description{
    overflow: hidden;
    /* overflow: auto; */
    /* margin: 20px; */
    background-color: rgba(165, 42, 42, 0.226);
    /* height: 20%; */
    width: 90vw;
    margin: auto;
    margin-top: 20px;
    margin-bottom: 20px;

}
h3{
    margin-left: 20px;
    margin-top: 5px;
    margin-bottom: 3px;
}
p{
    margin-left: 5px;
}
#display{
    /* margin: 20px; */
    /* background-color: rgb(123, 255, 0); */
    background-color: rgba(128, 255, 0, 0.192);
    height: 70vh;
    width: 70vh;
    margin: auto;
    overflow: hidden;
    margin-top: 20px;  
    margin-bottom: 20px;
    vertical-align: middle;
    display: flex;
    justify-content: center;
    align-items: center;
}
#visualization{
    
    justify-content: center;
    align-items: center;
    height: 95%;
    width: 95%;
    margin: auto;
    margin-top: 10px;
    margin-bottom: 20px;
    align-items: center;
    background-color: white;
    font-size: 0px;
    /* line-height: 0%; */
}
#control-unit{
    /* margin: 20px; */
    background-color: rgba(128, 255, 0, 0.192);
    height: 20%;
    width: 90vw;
    text-align: center;
    margin: auto;
    margin-top: 20px;
    margin-bottom: 20px;
}
.btn{
    display: inline-block;
    margin: 10px;
}
.box{
    /* float: left; */
    display: inline-block;
    flex-direction: column;
    border: 1px solid black;
    /* font-size: 3px; */
}

@keyframes pop{
    0%{
        transition: ease all 0.2s; 
    }
    25%{
        /* transform: translateX(2px); */
    }
    50%{
     
    }
    75%{
        /* transform: translateX(-2px); */
    }
    100%{
    transform: scale(1.3);
    border-radius: 6px;
    background-color: rgb(31, 78, 43);
    }
}