.titulo {
    font-family: Calculator;
}

.calculator {
    height: auto;
    padding: 10px 30px;
    margin: auto;
    background: #232323;
    border: #000 1px solid;
    border-radius: 7px;
    -webkit-border-radius: 7px;
    -moz-border-radius: 7px;
    box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 5px, inset rgba(255, 255, 255, 0.9) 0px 1px 1px -1px;
    -webkit-box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 5px, inset rgba(255, 255, 255, 0.9) 0px 1px 1px -1px;
    -moz-box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 5px, inset rgba(255, 255, 255, 0.9) 0px 1px 1px -1px;
    background-image: -moz-linear-gradient(top, #333333, #1f1f1f);
    background-image: -webkit-linear-gradient(top, #333333, #1f1f1f);
    background-image: linear-gradient(top, #333333, #1f1f1f);
    overflow: hidden;
    text-align: center;
}

.screen {
    height: 93px;
    margin: 12px auto 30px;
    padding: 15px 20px;
    color: #c0c0c0;
    text-align: right;
    font-family: Calculator;
    font-size: 3em;
    letter-spacing: 3px;
    overflow: hidden;
    border: #000 1px solid;
    border-radius: 7px;
    -webkit-border-radius: 7px;
    -moz-border-radius: 7px;
    box-shadow: inset rgba(0, 0, 0, 1) 0px 1px 4px, inset rgba(225, 225, 225, 0.3) 0px -2px 4px -2px;
    -webkit-box-shadow: inset rgba(0, 0, 0, 1) 0px 1px 4px, inset rgba(225, 225, 225, 0.3) 0px -2px 4px -2px;
    -moz-box-shadow: inset rgba(0, 0, 0, 1) 0px 1px 4px, inset rgba(225, 225, 225, 0.3) 0px -2px 4px -2px;
    background-image: -moz-linear-gradient(top, #3e3e3e 0%, #303030 100%);
    background-image: -webkit-linear-gradient(top, #3e3e3e 0%, #303030 100%);
    background-image: linear-gradient(top, #3e3e3e 0%, #303030 100%);
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

#memory {
    height: 61px
}

.top-element button {
    background-image: -webkit-linear-gradient(top, #3e3e3e 0%, #303030 100%);
    color: #c0c0c0 !important;
    background-color: #2f2f2f;
    border: #000 1px solid;
}

.buttons {
    padding: 0;
    margin: auto;
    overflow: hidden;
    list-style: none;
}

.buttons span {
    display: inline;
    float: left;
    padding-bottom: 10px;
}

.buttons a {
    display: block;
    height: 68px;
    padding: 18px 0 12px;
    color: #c0c0c0 !important;
    font-family: "Myriad Pro", Arial, sans-serif;
    font-size: 1.6em;
    font-weight: 500;
    letter-spacing: -2px;
    background-color: #2f2f2f;
    border: #000 1px solid;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    text-align: center;
    text-decoration: none;
    text-shadow: #000 0px -1px 0px;
    box-shadow: inset rgba(255, 255, 255, 0.1) 0px 1px 0px, inset rgba(0, 0, 0, 0.2) 0px -2px 2px;
    -webkit-box-shadow: inset rgba(255, 255, 255, 0.1) 0px 1px 0px, inset rgba(0, 0, 0, 0.2) 0px -2px 2px;
    -moz-box-shadow: inset rgba(255, 255, 255, 0.1) 0px 1px 0px, inset rgba(0, 0, 0, 0.2) 0px -2px 2px;
    background-image: -moz-linear-gradient(top, #363636 0%, #313234 40%, #2f2f2f 100%);
    background-image: -webkit-linear-gradient(top, #363636 0%, #313234 40%, #2f2f2f 100%);
    background-image: linear-gradient(top, #363636 0%, #313234 40%, #2f2f2f 100%);
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    cursor: pointer;
}

.buttons a:active {
    box-shadow: inset rgba(0, 0, 0, 0.5) 0px 2px 8px;
    background-image: -moz-linear-gradient(top, #2f2f2f 0%, #363636 100%);
    background-image: -webkit-linear-gradient(top, #2f2f2f 0%, #363636 100%);
    background-image: linear-gradient(top, #2f2f2f 0%, #363636 100%);
}

.wide {
    padding: 0px 7px;
}

.shift {
    margin-top: -78px;
}

.ctrls {
    list-style: none;
    margin: 5px 0 0 20px;
    padding: 0;
    position: absolute;
}

.ctrls span {
    float: left;
    display: inline;
}

.ctrls span a {
    display: block;
    width: 18px;
    height: 18px;
    margin-right: 10px;
    border-radius: 100%;
    box-shadow: rgba(255, 255, 255, 0.3) 0px 0px 1px, inset rgba(0, 0, 0, 1) 0px 1px 2px 1px;
    background-image: -moz-radial-gradient( 9px -4px, #FFF 0px, #fff 2px, rgba(255, 255, 255, 0) 4px), -moz-linear-gradient(bottom, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 100%);
    background-image: -webkit-radial-gradient( 9px -4px, #FFF 0px, #fff 2px, rgba(255, 255, 255, 0) 4px), -webkit-linear-gradient(bottom, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 100%);
    background-image: radial-gradient( 9px -4px, #FFF 0px, #fff 2px, rgba(255, 255, 255, 0) 4px), linear-gradient(bottom, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 100%);
}

@font-face {
    font-family: Calculator;
    src: url(../fonts/Calculator.ttf);
}

.right {
    float: right;
}

.left {
    float: left;
}

.add-margin {
    padding: 0px 10%;
}