/* Four col grid */
.four-col-grid{
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto;    
    row-gap: 20px;
    text-align: center;
}

/* Two column grid */
.two-col-grid-item{
	margin: 0.5em 0 0.25em;
    text-align: center;
    border: 1px solid rgb(230,230,230);
    border-radius: 4px;
    padding-bottom: 0.5em;
}
.two-col-grid-item h4{
    padding: 0.25em 0;
    background-color: rgb(245,245,245);
    font-weight: bold;
    margin: 0;
}

/* User account menu */
ul.account-menu{
    list-style: none;    
    margin: 0;
    padding: 0;
}
.account-menu li{
    padding: 0 0.5em;
}

/* MathFest Block Logo */
img[alt="Mathfest Logo"]{
    width: 100%;
}

/* Log in form */
.user-login-form > div{
    margin-bottom: 1em;
}
.user-login-form input{
    width: 100%;
    max-width: 300px;    
}
.user-login-form label{
    margin-bottom: 0;
    font-weight: bold;
}
.user-login-form input[type='submit']{
    width: 100px;
}

/* Link grid (used in Governance) */
div.link-grid{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    grid-template-rows: auto;    
    row-gap: 10px;
    justify-items: center;
    text-align: center;
}
div.link-grid a{
    display: block;    
    padding: 0.5em;
    background-color: rgb(245,245,245);    
    border-radius: 5px;
    width: 120px;    
}
div.link-grid a:hover{
    background-color: steelblue;
    color: white;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 2px 2px 2px 1px rgb(100,100,100);
    width: 130px;
}
details.link-grid{
    margin-top: 1em;    
}
details.link-grid summary{
    font-weight: bold;
}
#block-booknavigation ul.book-nav{
    margin: 0;
    padding: 0 0.25em;
    list-style: none;    
}
#block-booknavigation ul.book-nav li{
    padding: 0.25em 0;
}
#block-booknavigation ul.book-nav ul{
    padding: 0 1em;    
}

#block-termsofuse{
    text-align: right;
    font-weight: bold;
}
#facebook-icon{
    margin-top: 1.5em;
    width: 25px;
}
#facebook-icon img{
    width: 100%;
}

.history-meeting-speakers{			
	max-width: 800px;
	border: 1px solid lightgray;
	border-radius: 5px;
	margin: 1em 0;
	padding: 1em;
}
.history-meeting-speakers h3{
	margin-top: 0;
}
.history-meeting-speakers h4{
	margin: 0.5em 0 0.25em;
}		
.history-meeting-speakers ul{
	margin: 0;
	padding-left: 1.25em;
}
.history-meeting-speakers .history-talk-title{
    margin-left: 0.5em;
}

@media screen and (min-width: 576px){
    div.link-grid{  
        grid-template-columns: repeat(3,1fr);  
    }
    .four-col-grid{        
        grid-template-columns: 1fr 1fr;        
        column-gap: 20px;                
    }    
    #block-termsofuse{
        justify-self: self-end;
    }
}

@media screen and (min-width: 768px){
    details.link-grid{
        margin: 1em 0 0 1em;        
    }    
    .history-meeting-speakers ul{	
		padding-left: 2em;
	}
	.history-meeting-speakers .history-talk-title{
		margin-left: 2em;
	}	
	.two-col-grid{
		display: grid;
		grid-template-columns: repeat(2, minmax(auto, 450px));
        column-gap: 20px;		
        justify-content: center;
    }
    #facebook-icon{     
        width: 35px;
    }
}

@media screen and (min-width: 992px){
    div.link-grid{  
        grid-template-columns: repeat(4,1fr);  
    }
    .four-col-grid{        
        grid-template-columns: 1fr 1fr 1fr 1fr;        
    }          
}