body {
    background: #A5FFD6;
}

p {
    /*font-size: 50px;*/
    position: absolute;
    bottom: 95px;
    left: 159px;
    z-index: 10;
    color: purple;
}

.hide {
    visibility: hidden;
}

.envelope {
    position: relative;
    margin: 150px auto;
    height: 350px;
    width: 500px;
    background: #E85F61;
    border-radius: 3px;
    -webkit-box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
    -moz-box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
    box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
}

.paper {
    height: 300px;
    width: 400px;
    border-radius: 10px;
    background: #F6FEAA;
    position: absolute;
    left: 50px;
    top: 50px;
    transition: all 1s;
    text-align: center;
    vertical-align: middle;
    line-height: 200px;
    color: grey;
    font-family: 'Tangerine', cursive;
    font-size: 50px;
}

.paperout {
    top: -150px;
}

.front {
    height: 0;
    width: 100%;
    border-top: 180px solid transparent;
    border-bottom: 170px solid #FF686B;
    border-left: 250px solid #FF686B;
    border-right: 250px solid #FF686B;
    position: absolute;
    z-index: 1;
}

.top {
    height: 0;
    width: 0;
    border-top: 182px solid #BC7A74;
    border-bottom: 170px solid transparent;
    border-left: 250px solid transparent;
    border-right: 250px solid transparent;
    position: absolute;
    z-index: 2;
}

.open {
    transform: rotateX(180deg);
    transform-origin: top;
    z-index: 0;
}

h3 {
    display: none;
    font-size: 29px !important;
    padding-top: 10px;
    font-family: 'Tangerine', cursive !important;
    color: purple;
    font-weight: 600;
}

@media(max-width:375px) {
    body {
        background: #A5FFD6;
    }

    p {
        position: absolute;
        bottom: 80px;
        left: 82px;
        z-index: 10;
        color: purple;
        font-size: 13px;
    }

    .hide {
        visibility: hidden;
    }

    .envelope {
        position: relative;
        margin: 101px auto;
        height: 350px;
        width: 331px;
        background: #E85F61;
        border-radius: 3px;
        -webkit-box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
        -moz-box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
        box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
    }

    .paper {
        height: 300px;
        width: 275px;
        border-radius: 10px;
        background: #F6FEAA;
        position: absolute;
        left: 30px;
        top: 44px;
        transition: all 1s;
        text-align: center;
        vertical-align: middle;
        line-height: 200px;
        color: grey;
        font-family: 'Tangerine', cursive;
        font-size: 50px;
    }

    .paperout {
        top: -150px;
    }

    .front {
        height: 0;
        width: 100%;
        border-top: 186px solid transparent;
        border-bottom: 162px solid #FF686B;
        border-left: 169px solid #FF686B;
        border-right: 164px solid #FF686B;
        position: absolute;
        z-index: 1;
    }

    .top {
        height: 0;
        width: 0;
        border-top: 197px solid #BC7A74;
        border-bottom: 170px solid transparent;
        border-left: 165px solid transparent;
        border-right: 167px solid transparent;
        position: absolute;
        z-index: 2;
    }

    .open {
        transform: rotateX(180deg);
        transform-origin: top;
        z-index: 0;
    }

    h3 {
        display: none;
        font-size: 25px !important;
        padding-top: 10px;
        font-family: 'Tangerine', cursive !important;
        color: purple;
        font-weight: 600;
    }
}


@media(max-width:421px) {
    body {
        background: #A5FFD6;
    }

    p {
        position: absolute;
        bottom: 80px;
        left: 82px;
        z-index: 10;
        color: purple;
        font-size: 13px;
    }

    .hide {
        visibility: hidden;
    }

    .envelope {
        position: relative;
        margin: 101px auto;
        height: 350px;
        width: 331px;
        background: #E85F61;
        border-radius: 3px;
        -webkit-box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
        -moz-box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
        box-shadow: -1px -1px 32px 0px rgba(0,0,0,0.75);
    }

    .paper {
        height: 300px;
        width: 275px;
        border-radius: 10px;
        background: #F6FEAA;
        position: absolute;
        left: 30px;
        top: 44px;
        transition: all 1s;
        text-align: center;
        vertical-align: middle;
        line-height: 200px;
        color: grey;
        font-family: 'Tangerine', cursive;
        font-size: 50px;
    }

    .paperout {
        top: -150px;
    }

    .front {
        height: 0;
        width: 100%;
        border-top: 186px solid transparent;
        border-bottom: 162px solid #FF686B;
        border-left: 169px solid #FF686B;
        border-right: 164px solid #FF686B;
        position: absolute;
        z-index: 1;
    }

    .top {
        height: 0;
        width: 0;
        border-top: 197px solid #BC7A74;
        border-bottom: 170px solid transparent;
        border-left: 165px solid transparent;
        border-right: 167px solid transparent;
        position: absolute;
        z-index: 2;
    }

    .open {
        transform: rotateX(180deg);
        transform-origin: top;
        z-index: 0;
    }

    h3 {
        display: none;
        font-size: 25px !important;
        padding-top: 10px;
        font-family: 'Tangerine', cursive !important;
        color: purple;
        font-weight: 600;
    }
}