body {
    width: 90%;
    display: flex;
    flex-flow: column nowrap;
    margin: auto;
}

.proj_main {
    width: 100%;
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
}

.proj_title {
    text-align: center;
}

.proj_title p {
    margin-top: 0px;
}

.proj_content {
    width: 100%;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

#myRPS {
    margin-top: 10px;
    margin-bottom: 10px;
}

#output {
    padding-top: 20px;
    align-items: center;
}

@media screen and (max-width: 768px) and (min-width: 480px) {
    body {
        width: 95%;
    }

    #myRPS {
        margin-top: 10px;
        margin-bottom: 10px;
    }

    #output {
        padding-top: 20px;
        align-items: center;
    }
}

@media screen and (max-width: 479px) {
    body {
        width: 100%;
    }

    #myRPS {
        margin-top: 10px;
        margin-bottom: 10px;
    }

    #output {
        padding-top: 20px;
        align-items: center;
    }
}