@keyframes error403animation {
    0% {
        transform: rotateZ(0deg);
    }
    40% {
        transform: rotateZ(-20deg);
    }
    45% {
        transform: rotateZ(-15deg);
    }
    50% {
        transform: rotateZ(-20deg);
    }
    55% {
        transform: rotateZ(-15deg);
    }
    60% {
        transform: rotateZ(-20deg);
    }
    100% {
        transform: rotateZ(0deg);
    }
}
.error403{
    &-body-content{
        width: 700px;
        height: 500px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        &-title{
            text-align: center;
            font-size: 240px;
            font-weight: 700;
            color: #2d8cf0;
            height: 260px;
            line-height: 260px;
            margin-top: 40px;
            .error403-0-span{
                display: inline-block;
                position: relative;
                width: 170px;
                height: 170px;
                border-radius: 50%;
                border: 20px solid #ed3f14;
                color: #ed3f14;
                margin-right: 10px;
                i{
                    display: inline-block;
                    font-size: 120px;
                    position: absolute;
                    left: 50%;
                    top: 50%;
                    transform: translate(-50%,-50%);
                }
            }
            .error403-key-span{
                display: inline-block;
                position: relative;
                width: 100px;
                height: 190px;
                border-radius: 50%;
                margin-right: 10px;
                i{
                    display: inline-block;
                    font-size: 190px;
                    position: absolute;
                    left: 20px;
                    transform: translate(-50%,-60%);
                    transform-origin: center bottom;
                    animation: error403animation 2.8s ease 0s infinite;
                }
            }
        }
        &-message{
            display: block;
            text-align: center;
            font-size: 30px;
            font-weight: 500;
            letter-spacing: 4px;
            color: #dddde2;
        }
    }
    &-btn-content{
        text-align: center;
        padding: 20px 0;
        margin-bottom: 40px;
    }
}