Progate　HTML＆CSS

(ｔｅｘｔ－ａｌｉｇｎ：ｃｅｎｔｅｒ；)

text-align:center;

(ｍａｒｇｉｎ：０ａｕｔｏ；)

margin:0 auto;

(ｌｉｎｅ－ｈｅｉｇｈｔ：６５ｐｘ；)

line-height:65px;

(ｄｉｓｐｌａｙ：ｉｎｌｉｎｅ－ｂｌｏｃｋ；)

display:inline-block;

(ｄｉｓｐｌａｙ：ｎｏｎｅ；)

display:none;

(ｄｉｓｐｌａｙ：ｂｌｏｃｋ；)

display:block;

(＊｛ｂｏｘ－ｓｉｚｉｎｇ：ｂｏｒｄｅｒ－ｂｏｘ；｝)

*{box-sizing: border-box;}

(ｆｌｏａｔ：ｌｅｆｔ；)

float:left;

(ｃｌｅａｒ：ｌｅｆｔ；)

clear:left;

(ｌｅｔｔｅｒ－ｓｐａｃｉｎｇ：５ｐｘ；)

letter-spacing:5px;

(ｆｏｎｔ－ｗｅｉｇｈｔ：ｎｏｒｍａｌ；)

font-weight:normal;

(ｂａｃｋｇｒｏｕｎｄ－ｉｍａｇｅ：ｕｒｌ（）；)

background-image:url();

(ｂａｃｋｇｒｏｕｎｄ－ｓｉｚｅ：ｃｏｖｅｒ；)

background-size:cover;

(ｏｐａｃｉｔｙ：０．５；)

opacity:0.5;

(ｒｇｂａ（２５５，２５５，２５５，０．５）；)

rgba(255,255,255,0.5);

(ｐｏｓｉｔｉｏｎ：ｒｅｌａｔｉｖｅ；)

position: relative;

(ｐｏｓｉｔｉｏｎ：ａｂｓｏｌｕｔｅ；)

position: absolute;

(＠ｍｅｄｉａ（ｍａｘ－ｗｉｄｔｈ：１０２５ｐｘ）｛｝)

@media(max-width:1025px){}

(ｍａｘ－ｗｉｄｔｈ：１０２４ｐｘ；)

max-width: 1024px;

(ｄｉｓｐｌａｙ：ｆｌｅｘ；)

display:flex;