html{
	background: url("../images/background/back_home.png") no-repeat center fixed;
	background-size: cover;
	z-index: -2;
}
.back_video{
	position: fixed;
	top: 50%;
	left: 50%;
	min-width: 100%;
	min-height: 100%;
	width: auto;
	height: auto;
	z-index: -1;
	transform: translate(-50%, -50%);
}
.account_content{
    display: block;
    margin: auto;
    float: none;
    margin-top: 10vh;
}
.contain_all{
    box-shadow: 0 0 10px black;
    padding: 1rem 1rem;
    background-color: rgba(0, 0, 0, 0.75);
    overflow: hidden;
}
.contain_link{
	padding: 1rem;
}
.home{
	clear: both;
}
.contain_form{
	padding: 1rem;
}
.contain_form select, .contain_form option{
    color: black;
}
html .check_login{
    font-size: 1.3rem;
    margin-top: 0.8rem;
}
.label_check{
    font-size: 1.1rem;
}
#login_checkbox{
    width: 0.8rem;
    height: 0.8rem;
}
.contain_error{
    margin-top: 1rem;
}
.lang{
    display: inline-block;
    float: right;
}
.a_lang{
    display: inline-block;
}
a{
    display: block;
}