Как сосредоточиться
.center {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
Puzzled Penguin
.center {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.parent {
display: flex;
justify-content: center;
align-items: center;
}
.parent {
position: relative;
}
.child {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
/* For horizontal align: */
parent-element {text-align:center;}
/* For horizontal and vertical align: */
parent-element {position: relative;}
element-to-be-centered {
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
/* See https://www.w3schools.com/css/css_align.asp for more info */
position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);
.container {
height: 200px;
display: flex;
align-items: center;
justify-content: center;
}
.item {
width: 10em;
}