body{
    background: #F0F0F0;
    padding-bottom: 0px;
}

.main-container{
    background: unset;
}

.body-container {
    min-height: unset;
}

.testing-theory-body{
    padding: 80px 15px 0px;
    overflow: hidden;
}

.testing-theory-body>.body-cover{
    max-width: 1140px;
    margin: auto;
}

.testing-theory-process-cover{
    
    position: fixed;
    width: 100%;
    padding: 40px 15px 20px;
    left: 0px;
    top: 0px;
    background: #f0f0f0;
    z-index: 999;
}

.testing-theory-process{
    display: flex;
    max-width: 1140px;
    margin: auto;
}

.testing-theory-process .button-exit{
    display: inline-block;
    margin: auto 25px auto 0px;
    text-decoration: none;
    outline: 0px;
    border: 0px;
    width: 19px;
    height: 19px;
    background: url('../imgs/icon-bg-reading.svg') 0px 0px;
    cursor: pointer;
}

.testing-theory-process .process-cover{
    display: inline-block;
    width: calc(100% - 40px - 60px);
    height: 2px;
    border-radius: 2px;
    background: #CFCFCF;
    margin: auto 0px;
    position: relative;
}

.testing-theory-process .process-cover::after{
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: inherit;
    position: absolute;
    right: 0px;
    top: 50%;
    transform: translate(0px, -50%);
}

.testing-theory-process .testing-theory-process-bar{
    display: inline-block;
    width: 0%;
    height: 6px;
    border-radius: 6px;
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translate(0px, -50%);
    transition: 0.5s all ease-out;
    background: linear-gradient(to right, #F9D423 0%,  #F79400 100%);
    z-index: 1;
}

.testing-theory-countdown {
    display: inline-block;
    width: 34px;
    height: 34px;
    text-align: center;
    margin: auto 0px auto auto;
    position: relative;
}
.testing-theory-countdown-number {
    color: #000000;
    display: inline-block;
    line-height: 34px;
    width: 100%;
    height: 100%;
    border: 0px;
    border-radius: 50%;
    font-family: opensanssemibold;
    font-size: 17px;
}
.testing-theory-countdown svg {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    transform: rotate(90deg) rotateY(180deg);
}

.testing-theory-countdown svg circle.circle-shadow {
    width: 100%;
    height: 100%;
    stroke-width: 2px;
    stroke: rgba(0,0,0,0.1);
    fill: none;
}

.testing-theory-countdown svg circle.circle {
    width: 100%;
    height: 100%;
    stroke-dasharray: 101px;
    stroke-dashoffset: 0px;
    stroke-linecap: round;
    stroke-width: 2px;
    fill: none;
}

.testing-theory-content{
    margin-top: 20px;
    position: relative;
}

.testing-theory-item .exe-block{
    width: 100%;
    display: block;
    position: relative;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;

}
.testing-left-content{
    float: left;
    width: 50%;
    max-width: 320px;
}
.testing-right-content{
    float: right;
    width: 50%;
}
.testing-theory-item .exe-question{
    width: 100%;
    min-height: calc(100vh - 250px);
    display: flex;
    overflow: auto;
    padding: 20px 0px;
}

.testing-theory-item .exe-question-cover{
    margin: 30px auto 0px;
    text-align: center;
    padding-bottom: 20px;
    width: 100%;
}

.testing-theory-show-question{
    animation-name:D;
    animation-duration:.4s;
    animation-fill-mode:forwards;
    animation-timing-function:ease-out;
    position: relative;
}

.testing-theory-hide-question{
    animation-name:E;
    animation-duration:.4s;
    animation-fill-mode:forwards;
    animation-timing-function:ease-out
}

.testing-theory-show-question.prev{
    animation-name:DD;
    animation-duration:.4s;
    animation-fill-mode:forwards;
    animation-timing-function:ease-out;
    position: relative;
}

.testing-theory-hide-question.prev{
    animation-name:EE;
    animation-duration:.4s;
    animation-fill-mode:forwards;
    animation-timing-function:ease-out
}

.testing-theory-item{
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    display: none;
    z-index: 2;
}

.testing-theory-item.item-current{
    position: relative;
    display: block;
    z-index: 1;
}

.testing-theory-item .exe-question-title{
    font-family: opensanssemibold;
    font-size: 25px;
    text-align: left;
    color: #231F20;
    margin: 0px;
}
.testing-theory-item .exe-multi-choice .exe-question-title{
    text-align: center;
}
.testing-theory-item .exe-question-main{
    font-family: opensanssemibold;
    font-size: 16px;
    color: var(--color-default-text);
    text-align: center;
    margin: 20px 0px 0px;
    line-height: 30px;
    text-align: left;
    max-width: 320px;
}

.testing-theory-item .exe-question-main.question-small{
    font-size: 16px;
}

.testing-theory-item .guessing-exe-question{
    margin-top: 30px;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    max-width: 760px;
}

.testing-theory-item .guessing-exe-question.question-small{
    max-width: 320px;
}

.testing-theory-item .guessing-exe-question.question-large{
    max-width: 320px;
}

.testing-theory-item .guessing-exe-question.question-larger{
    max-width: 100%;
}

.testing-theory-item.show-answer .guessing-exe-question::after{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 1000;
}

.testing-theory-item .guessing-choice-item{
    display: inline-block;
    height: 50px;
    margin: auto 15px;
    margin-bottom: 20px;
    border: 0;
    background: transparent;
    max-width: 345px;
    padding:0;
    vertical-align: top;
    width: 100%;
    transition: opacity 0.4s ease;
}

.testing-theory-item .guessing-exe-question.question-larger .guessing-choice-item{
    max-width: calc((100% - 55px)/2);
    margin: 0px;
    margin-bottom: 25px;
    margin-right: 50px;
}

.testing-theory-item .guessing-exe-question.question-larger .guessing-choice-item:nth-of-type(even){
    margin-right: 0px;
}

.testing-theory-item .guessing-choice-item:hover,
.testing-theory-item .guessing-choice-item:focus{
    text-decoration: none;
    outline: none;
}

.testing-theory-item .guessing-multi-choice-item{
    min-width: 75;
    height: 50px;
    display: inline-block;
    border-radius: 4px;
    border: 0px;
    background: #fff;
    color: #231F20;
    line-height: 50px;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 16px;
    transition: 0.2s all ease-out;
    margin-right: 10px;
    margin-bottom: 15px;
    box-shadow: 0px 1px 10px 0px #ddd;
}
.testing-theory-item .guessing-multi-choice-item:focus{
    outline: none;
    border: 0;
}
.testing-theory-item .guessing-multi-choice-item.choice-item-choose{
    background: #FFC91F;
    box-shadow: 0px 1px 10px 0px #FFB020;
}
.testing-theory-item .guessing-multi-choice-item.choice-answer-true{
    background: #7AC30C;
    box-shadow: 0px 1px 10px 0px #5fa000;
    color: #fff;
    font-family: opensanssemibold;
}
.testing-theory-item .guessing-multi-choice-item.choice-answer-false{
    background: #E43439;
    box-shadow: 0px 1px 10px 0px #ec0c12;
    color: #fff;
}
.testing-theory-item .guessing-multi-choice-item.item-answer-true{
    background: #fff;
    box-shadow: 0px 1px 10px 0px #5fa000;
    color: #7AC30C;
}

.testing-theory-item .guessing-choice-item .guessing-icon{
    display: inline-block;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid #CFCFCF;
    margin: auto 15px auto 10px;
    transition: 0.2s all ease-out;
    position: relative;

    font: normal normal normal 14px/1 FontAwesome;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.testing-theory-item .guessing-choice-item .guessing-icon::before{
    content: "\f00c";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    
}
.testing-theory-item .guessing-choice-item .guessing-icon span{
    font-family: opensanssemibold;
    margin-top: 6px;
    display: inline-block;
}
.testing-theory-item .guessing-choice-item .guessing-cover{
    border: 2px solid #CFCFCF;
    border-radius: 25px;
    background: transparent;
    display: flex;
    height: 100%;
    width: 100%;
    transition: 0.2s all ease-out;
}

.testing-theory-item .guessing-choice-item .guessing-text{
    font-family: opensansregular;
    font-size: 15px;
    color: #414042;
    margin: auto 0px;
    text-align: left;
    width: calc(100% - 55px);
    font-weight: normal;
    transition: 0.2s all ease-out;
    padding-right: 10px;
    overflow: hidden;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}



.testing-theory-item .guessing-choice-item.choice-false .guessing-cover{
    background: #E43439;
    border-color: #E43439;
    
}

.testing-theory-item .guessing-choice-item.choice-false .guessing-cover .guessing-icon{
    border-color: #E43439;
    background: #fff;
}
.testing-theory-item .guessing-choice-item.choice-false .guessing-cover .guessing-icon span{
    display: none;
}
.testing-theory-item .guessing-choice-item.choice-false .guessing-cover .guessing-icon::before{
    opacity: 1;
    color: #E43439;
    content: "\f00d";
    transition: 0.2s 0.1s all linear;
}

.testing-theory-item .guessing-choice-item.choice-true .guessing-cover .guessing-text{
    color: #fff;
    
}

.testing-theory-item .guessing-choice-item.choice-true .guessing-cover{
    background: #7AC30C;
    border-color: #7AC30C;
    
}

.testing-theory-item .guessing-choice-item.choice-true .guessing-cover .guessing-icon{
    border-color: #7AC30C;
    background: #fff;
    animation: animateAnswer 0.3s ease-out;

}
.testing-theory-item .guessing-choice-item.choice-true .guessing-cover .guessing-icon span{
    display: none;
}

.testing-theory-item .guessing-choice-item.choice-true .guessing-cover .guessing-icon::before{
    opacity: 1;
    color: #7AC30C;
    content: "\f00c";
    transition: 0.2s 0.1s all linear;
}

.testing-theory-item .guessing-choice-item.choice-false .guessing-cover .guessing-text{
    color: #fff;
}

.testing-theory-item.show-answer .guessing-choice-item{
    opacity: 0.3;
}

.testing-theory-item.show-answer .guessing-choice-item.choice-true, .testing-theory-item.show-answer .guessing-choice-item.choice-false{
    opacity: 1;
}

.testing-theory-pos-end{
    display: inline-block;
    max-width: 320px;
    width: 100%;
    min-height: 130px;
    background: linear-gradient(transparent 0px, transparent 63px, #CFCFCF 63px, #CFCFCF 65px);
    background-position: left 65px;
    background-size: 100% 65px;
    margin-bottom: 20px;
    margin-top: 15px;
    text-align: center;
}

.testing-theory-pos-begin{
    display: inline-block;
    width: 100%;
    text-align: left;
    margin-top: 25px;
    max-width: 670px;
}

.testing-theory-pos-begin .pos-begin-item{
    position: relative;
    height: 50px;
    min-width: 75px;
    line-height: 50px;
    display: inline-block;
    margin: 5px 3px;
    background: #EAEAEA;
    border-radius: 3px;
    color: #EAEAEA;
    font-family: opensansregular;
    font-size: 16px;
    padding: 0px 15px;
    vertical-align: middle;
}

.testing-theory-pos-begin .pos-begin-item .word-item{
    color: #231F20;
    background: #fff;
    position: absolute!important;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 50px;
    top: 0px;
    left: 0px;
    border-radius: 3px;
    display: inline-block;
    transition: all 0.5s ease;
    z-index: unset;
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.2);
    outline: 0px;
    border: 0px;
    cursor: pointer;
}

.testing-theory-pos-begin .pos-begin-item .word-item.sort-wrong{
    color: #e53838;
}

.testing-theory-pos-begin .pos-begin-item .word-item.sort-right{
    color: #7AC30C;
    font-family: opensanssemibold;
}

.testing-theory-pos-end .pos-end-item{
    height: 65px;
    display: inline-block;
    vertical-align: middle;
}

.testing-theory-pos-end .pos-end-item.word-div-haschild{
    padding-right: 5px;
    padding-left: 5px;
    padding-top: 9px;
    margin: auto -2px;
}

.testing-theory-pos-end .pos-end-item .word-div{
    width: 0px;
    height: 100%;
    display: inline-block;
}

.testing-theory-item.show-answer .exe-block-question::after{
    content: "";
    display: inline-block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    z-index: 999;
}

.testing-theory-item .exe-question-button-check{
    display: block;
    margin: auto;
    margin-top: 40px;
    width: 100%;
    max-width: 320px;
    height: 50px;
    border: 0px;
    border-radius: 30px;
    outline: 0px;
    text-decoration: none;
    text-align: center;
    font-family: opensanssemibold;
    font-size: 16px;
    color: #5D5D5D;
    line-height: 50px;
    background: #DDDDDD;
    transition: 0.2s all ease;
}

.testing-theory-item .exe-question-button-check.button-active{
    background: #7AC30C;
    color: #fff;

}
.button.button-multi-check{
    margin-top: 40px;
    width: 100%;
    height: 50px;
    border: 0px;
    border-radius: 30px;
    outline: 0px;
    text-decoration: none;
    text-align: center;
    font-family: opensanssemibold;
    font-size: 16px;
    color: #5D5D5D;
    line-height: 50px;
    background: #DDDDDD;
    transition: 0.2s all ease;
    max-width: 320px;
    display: block;
    margin: 25px auto 0px;
}
.button.button-multi-check.button-active{
    color: #fff;
    background: #7ac60c;
}
@media (max-width: 768px){
    .testing-theory-item .guessing-exe-question.question-larger .guessing-choice-item{
        max-width: 100%;
        margin-right: 0px;
    }

    .testing-theory-item .guessing-choice-item{
        margin-left: auto;
        margin-right: auto;
    }
}

@keyframes D{
    0%{
        opacity:0;
        -webkit-transform:translateX(50px);
        transform:translateX(50px)
    }
    to{
        opacity:1;
        -webkit-transform:translateX(0);
        transform:translateX(0)
    }
}

@keyframes E{
    0%{
        opacity:1;
        -webkit-transform:translateX(0);
        transform:translateX(0)
    }
    to{
        opacity:0;
        -webkit-transform:translateX(-50px);
        transform:translateX(-50px)
    }
}

@keyframes DD{
    0%{
        opacity:0;
        -webkit-transform:translateX(-50px);
        transform:translateX(-50px)
    }
    to{
        opacity:1;
        -webkit-transform:translateX(0);
        transform:translateX(0)
    }
}

@keyframes EE{
    0%{
        opacity:1;
        -webkit-transform:translateX(0);
        transform:translateX(0)
    }
    to{
        opacity:0;
        -webkit-transform:translateX(50px);
        transform:translateX(50px)
    }
}

@keyframes animateSound{
    0% {
    box-shadow: 0px 0px 0px 0px #00b8f1;
    }

    100% {
        box-shadow: 0px 0px 0px 10px transparent;
    }
}

@keyframes animateAnswer{
    0% {
        border-width: 2px;
    }

    50% {
        border-width: 15px;
    }

    100% {
        border-width: 1px;
    }
}