html{
    width: 100%;
}
body{
    width: 100%;
}
h3{
    text-align: center;
    font-size: 23px;
    font-weight: bold;
}
h4{
    text-align: center;
}
.content{
    width: 600px;
    margin: auto;
}
.form-group{
    margin-bottom: 10px;
}
p.attention{
    color: #999;
    font-size: small;
    margin-bottom: 5px;
}
.array-status{
    width: 600px;
}
#result-list{
    height: 323px;
    overflow: scroll;
    overflow-x: hidden;
}
li.array-list{
    text-align: center;
}
ul#array{
    width: 200px;
    height: 700px;
    overflow: scroll;
    overflow-x: hidden;
    float: right;
    border-radius: 5px;
}
div.button-and-result-area{
    width: 350px;
    margin: 0 25px;
    float: left;
}
button{
    width: 350px;
    margin-bottom: 15px;
}
#graph-area {
    width: 600px;
}

@media only screen and (max-width: 600px){
    .content{
        width: 95%;
    }
    .form-group{
        margin-bottom: 5px;
    }
    .array-status{
        width: 100%;
    }
    ul#array{
        width: 100%;
        clear: both;
    }
    div.button-and-result-area{
        width: 100%;
        margin: auto;
        clear: both;
    }
    button{
        width: 100%;
        margin-bottom: 10px;
    }
    .result-area{
        margin-bottom: 10px;
    }
    #graph-area{
        width: 100%;
    }
}