style.css

@font-face {
    font-family: "Segoe UI";
    src: url("//db.onlinewebfonts.com/t/623c7118249e082fe87a78e08506cb4b.eot");
}

* {
    margin: 0;
    padding: 0;
    border: none;
    box-sizing: border-box;
    font-family: "Segoe UI";
}

html,
body {
    background-color: #e6e6e6;
    height: 100%;
    width: 100%;
    user-select: none;
    min-height: 355px;
    min-width: 500px;
}

.content {
    display: flex;
    cursor: default;
    height: 95.2%;
    width: 100%;
}

.left-side {
    height: 100%;
    width: 85%;
}

.right-side {
    width: 319px;
}

.topname {
    padding: 7.5px 0px 9px 12px;
    font-size: 12px;
    font-weight: 400;
}

header {
    height: 4.8%;
    display: flex;
    justify-content: space-between;
}

.caption {
    height: 8%;
    display: flex;
    justify-content: space-between;
}

.capleft {
    display: flex;
    justify-content: space-between;
}

.caption .menubar {
    width: 48px;
    height: 48px;
    align-content: center;
    padding-left: 10px;
    padding-top: 15px;
}

.caption .menubar:hover {
    background-color: #cfcfcf;
}

.caption .menubar:active {
    background-color: #c2c2c2;
}

.image-bar {
    width: 27px;
    height: 18px;
    margin: auto;
}

.menutext {
    font-size: 19px;
    font-weight: 500;
    padding: 9px 0 0 12px
}

.exprestion {
    height: 6%;
    display: flex;
    font-size: 15px;
    align-items: center;
    justify-content: flex-end;
    padding: 10px 13px 0 0;
    color: #6b6b6b;
}

.zero {
    height: 13.1%;
    display: flex;
    font-size: 47px;
    font-weight: 600;
    align-items: center;
    justify-content: flex-end;
    padding: 0 13px 10px 0;
}

.line1 {
    height: 6.8%;
    display: flex;
}

.line1 div {
    display: flex;
    flex-basis: 80px;
    font-size: 12px;
    font-weight: 600;
    align-items: center;
    justify-content: center;
}

.line1 div:hover {
    background-color: #dddddd;
}

.line1 div:active {
    background-color: #c6c6c6;
}

#newM {
    flex-grow: 2;
    flex-basis: 100px;
    padding-right: 30px;
    justify-content: flex-end;
}

#newM:hover {
    background-color: #dddddd;
}

#newM:active {
    background-color: #c6c6c6;
}

.main-num {
    height: 66.1%;
    padding: 1px solid #e6e6e6;
}

.main {
    display: flex;
    height: 20%;
}

.main div:hover {
    background-color: #e6e6e6;
}

.main div {
    display: flex;
    flex: 100px;
    margin: 1px;
    background-color: #f0f0f0;
    align-items: center;
    justify-content: center;
}

.main div:active {
    background-color: #c6c6c6;
}

.number,
.dot,
.plus-mines {
    font-size: 28px;
    font-weight: 600;
}

.number {
    background-color: #fafafa !important;
}

.number:hover {
    background-color: #e6e6e6 !important;
}

.number:active {
    background-color: #c6c6c6 !important;
}

.percent {
    font-size: 25px;
}

.C,
.CE {
    font-size: 20px;
    font-weight: 400;
}

.delete-img {
    width: 26px;
    height: 27px;
}

.division {
    font-size: 34px;
}

.root {
    font-size: 28px;
}

.multiply {
    font-size: 23px;
    font-weight: 600;
}

.power2,
.power3,
.mines-power {
    font-size: 20px;
    font-weight: 400;
}

.mines {
    font-size: 60px;
    font-weight: 100;
}

.plus {
    font-size: 44px;
    font-weight: 100;
}

.equal {
    font-size: 41px;
    font-weight: 100;
}

.equal:hover {
    background-color: #299fcc;
}

.equal:active {
    background-color: #65b7d7;
}

.MMC {
    width: 319px;
    display: flex;
    justify-content: flex-end;
}

.MMC div {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 31px;
}

.maxiicon {
    margin-bottom: 3.1px;
}

.minimise {
    font-size: 10px;
    padding-bottom: 2px;
}

.minimise:hover {
    background-color: #cfcfcf;
}

.minimise:active {
    background-color: #c2c2c2;
}

.maximise:hover {
    background-color: #cfcfcf;
}

.maximise:active {
    background-color: #c2c2c2;
}

.close {
    font-size: 14px;
}

.close:hover {
    color: white;
    background-color: rgb(233, 1, 1);
}

.close:active {
    color: black;
    background-color: rgb(250, 145, 126);
}

.topright {
    display: flex;
    height: 40px;
}

.topright div {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    width: 75px;
    letter-spacing: -0.5px;
}

.memory {
    color: #919191;
}

.history,
#mem {
    color: gray;
}

.textright {
    font-size: 13px;
    width: 100%;
    letter-spacing: -0.5px;
}

.nextline2 {
    background-color: #e6e6e6;
    display: flex;
    height: 20%;
}

.nextline2 div {
    background-color: #f0f0f0;
    display: flex;
    flex: 100px;
    align-items: center;
    justify-content: center;
    margin: 1px;
}

.nextline2 div:hover {
    background-color: #e6e6e6;
}

.nextline2 div:active {
    background-color: #c6c6c6;
}

.history-img {
    width: 20px;
    height: 20px;
}

.history-img:hover {
    background-color: rgb(214, 214, 214);
}

.next-history {
    padding: 17px 13px 0 10px;
}

#newM,
.next-history,
.nextline2 {
    display: none;
}

#hisText,
#memoText {
    margin: 30px 10px;
}

.display-off {
    display: none !important;
}

#history-box {
    overflow: auto;
    padding: 10px 0;
    max-height: 546px;
}

#history-box .lable {
    width: 100%;
    height: auto;
    display: flex;
    padding: 7px 14px;
    margin: 5px 0;
    align-items: flex-end;
    flex-direction: column;
}

.lable:hover {
    background-color: #b9b9b9;
}

.lable .exp {
    font-size: 15px;
    margin-bottom: 4px;
    color: #6b6b6b;
}

.lable .result {
    font-size: 25px;
    font-weight: 600;
}

#memory-box .lable {
    width: 100%;
    height: auto;
    display: flex;
    margin: 5px 0;
    align-items: flex-end;
    flex-direction: column;
}

#mem-box-mini .lable {
    width: 100%;
    height: auto;
    display: flex;
    margin: 5px 0;
    align-items: flex-end;
    flex-direction: column;
}

.lable .number {
    font-size: 25px;
    font-weight: 600;
    margin: 12px;
    background-color: transparent !important;
}

.lable .button {
    display: flex;
    flex-direction: row;
}

.lable .button aside {
    text-align: center;
    padding: 10px 13px;
    margin: 0 0 0 15px;
    font-size: 12px;
    font-weight: 600;
}

.button aside:hover {
    background-color: rgb(206, 206, 206);
}

.remove-history {
    position: absolute;
    background-color: transparent;
    right: 0;
    bottom: 0;
    width: 45px;
    height: 45px;
    text-align: center;
}

.remove-history img {
    margin: 10px;
}

.remove-history:hover {
    background-color: rgb(206, 206, 206);
}

.active-state {
    transition: 0.4s;
    border-bottom: 2px solid coral;
    padding-top: 7px;
    padding-bottom: 5px;
    color: black !important;
}

#history-box-mini {
    padding: 10px 0;
}

.mini-box {
    overflow: auto;
    height: 63.1%;
    background-color: gray;
    display: none;
    position: absolute;
    bottom: 0;
    width: 100%;
    flex-direction: column;
}

#history-box-mini .lable {
    width: 100%;
    height: auto;
    display: flex;
    padding: 7px 14px;
    margin: 5px 0;
    align-items: flex-end;
    flex-direction: column;
}


/* --------------------------------------------------------------------------------------------- */


@media only screen and (max-width: 500px) {
    .right-side {
        display: none;
    }

    .left-side {
        width: 100%;
    }

    #id-mini-box,
    .next-history {
        display: flex;
    }

    #newM {
        display: flex;
        justify-content: center;
        flex-grow: 1;
        padding: 0;
    }
}



@media only screen and (max-width: 740px) {
    .right-side {
        flex: 43%
    }
}


@media only screen and (max-width: 1024px),
(max-height: 620px) {

    .nextline2 {
        display: flex;
    }

    .main {
        height: 16.6%;
    }

    .nextline2 {
        height: 16.6%;
    }

    .main .percent,
    .main .root,
    .main .power2,
    .main .power3,
    .main .mines-power {
        display: none;
    }

}




@media only screen and (max-height: 620px),
(max-width: 360px) {

    .number,
    .dot,
    .plus-mines {
        font-size: 24px !important;
        font-weight: 600 !important;
    }

    .percent {
        font-size: 20px !important;
    }

    .delete-img {
        width: 22px !important;
        height: 23px !important;
    }

    .C,
    .CE {
        font-size: 17px !important;
        font-weight: 400 !important;
    }

    .division {
        font-size: 30px !important;
    }

    .root {
        font-size: 24px !important;
    }

    .multiply {
        font-size: 18px !important;
        font-weight: 600 !important;
    }

    .power2,
    .mines-power {
        font-size: 18px !important;
        font-weight: 400 !important;
    }

    .mines {
        font-size: 40px !important;
        font-weight: 100 !important;
    }

    .plus {
        font-size: 36px !important;
        font-weight: 100 !important;
    }

    .equal {
        font-size: 34px !important;
        font-weight: 100 !important;
    }

    .nextline2 {
        display: flex;
    }
}