1/* In this section you start by assigning a shape to the letter and an assigned size. */
2.card {
3  --rounded: 20px;
4  --size: 270px;
5  width: var(--size);
6  height: calc(var(--size) - 10px);
7  border-radius: var(--rounded);
8  background: #fff;
9  position: relative;
10  overflow: hidden;
11  cursor: pointer;
12}
13
14/* With the before property assigns the gradient that will be used as background for the chart. */
15.card::before {
16  --size: 100%;
17  --blur: 20px;
18  content: "";
19  position: absolute;
20  width: var(--size);
21  height: var(--size);
22  /* filter: blur(var(--blur)); */
23  background-color: #faff99;
24  background-image: radial-gradient(at 33% 82%, hsla(254,71%,69%,1) 0px, transparent 50%),
25  radial-gradient(at 28% 4%, hsla(289,96%,63%,1) 0px, transparent 50%),
26  radial-gradient(at 69% 49%, hsla(309,91%,71%,1) 0px, transparent 50%),
27  radial-gradient(at 94% 14%, hsla(232,66%,62%,1) 0px, transparent 50%),
28  radial-gradient(at 19% 93%, hsla(51,98%,74%,1) 0px, transparent 50%),
29  radial-gradient(at 15% 80%, hsla(194,87%,63%,1) 0px, transparent 50%),
30  radial-gradient(at 56% 52%, hsla(109,71%,61%,1) 0px, transparent 50%);
31}
32
33/* Cover the chart with a light white tone, this helps the gradient colors to be less aggressive. */
34.card::after {
35  --size: 100%;
36  content: "";
37  position: absolute;
38  width: var(--size);
39  height: var(--size);
40  background: rgba(255, 255, 255, 0.5);
41}
42
43/* 
44In this section you define where the video cover will be displayed.
45Modify the background-image with the address of the cover to use. */
46.card__view {
47  position: absolute;
48  height: 55%;
49  left: 0;
50  top: 0;
51  right: 0;
52  margin: auto;
53  z-index: 1;
54  background-image: linear-gradient(to right bottom, #fff, #e2e2e2);
55  background-repeat: no-repeat;
56  background-size: cover;
57}
58
59/* When hovering over the element you can see the video preview. */
60/* Place in the HTML an "iframe" tag with the address of the youtube video to show as preview. 
61   The iframe tag must be a child of the div with the class "card__view".
62   Also place a class with name "preview__video". */
63.card:hover .preview__video {
64  opacity: 100;
65}
66
67.preview__video {
68  transition: opacity 300ms;
69  opacity: 0;
70}
71
72
73/* In this section you define the size and position of the section that will contain the video content. */
74.card__content {
75  position: absolute;
76  z-index: 2;
77  width: 100%;
78  height: 40%;
79  left: 0;
80  right: 0;
81  bottom: 0;
82  padding-left: 9px;
83  padding-right: 9px;
84  color: #000;
85  display: flex;
86  flex-direction: column;
87  justify-content: space-between;
88}
89
90.channel__video__name {
91  font-size: 0.8em;
92  margin-bottom: 10px;
93  max-height: 50%;
94  overflow: hidden;
95  text-overflow: ellipsis;
96  font-weight: bold;
97  color: #000;
98}
99
100.channel__data {
101  display: flex;
102  align-items: center;
103  width: 100%;
104  gap: 10px;
105  margin-bottom: 8px;
106}
107
108/* In this section you assign the image of the channel that owns the video, modify the parameter "background-image" by the address of the channel cover. */
109.channel__img {
110  --size-channel: 35px;
111  --rounded: 50%;
112  --duration: 300ms;
113  min-width: var(--size-channel);
114  min-height: var(--size-channel);
115  border-radius: var(--rounded);
116  transition: transform var(--duration);
117  background-repeat: no-repeat;
118  background-size: cover;
119  background-color: #99cfff;
120  background-image: radial-gradient(at 6% 14%, hsla(234,90%,72%,1) 0px, transparent 50%),
121  radial-gradient(at 9% 73%, hsla(298,79%,64%,1) 0px, transparent 50%),
122  radial-gradient(at 50% 38%, hsla(196,72%,75%,1) 0px, transparent 50%),
123  radial-gradient(at 61% 82%, hsla(288,92%,79%,1) 0px, transparent 50%),
124  radial-gradient(at 91% 67%, hsla(170,86%,66%,1) 0px, transparent 50%),
125  radial-gradient(at 83% 29%, hsla(289,73%,63%,1) 0px, transparent 50%),
126  radial-gradient(at 93% 34%, hsla(191,88%,75%,1) 0px, transparent 50%);
127}
128
129.channel__img:hover {
130  transform: scale(1.08);
131}
132
133.channel__data__text {
134  display: flex;
135  flex-direction: column;
136  gap: 5px;
137  width: 100%;
138}
139
140.channel__subdata {
141  display: flex;
142  gap: 10px;
143}
144
145.channel__name {
146  font-size: 0.8em;
147  transition: color 400ms;
148}
149
150.channel__views, .channel__date {
151  font-size: 0.6em;
152}
153
154.card__view__data {
155  position: absolute;
156  bottom: 0;
157  width: 100%;
158  display: flex;
159  justify-content: flex-end;
160  gap: 10px;
161  padding: 8px;
162  box-sizing: border-box;
163  pointer-events: none;
164}
165
166.card__lenght, .card__play__icon, .card__view__preview {
167  background: rgba(0, 0, 0, 0.5);
168  padding: 5px;
169  border-radius: 6px;
170  font-size: 0.6em;
171  font-weight: bold;
172  color: rgba(255, 255, 255, 0.7);
173}
174
175.card__play__icon {
176  display: flex;
177  justify-content: center;
178  align-items: center;
179  min-width: 30px;
180}
181
182.card__view__preview {
183  opacity: 0;
184  transform: translateY(-10px);
185  transition: opacity 900ms, transform 900ms;
186}
187
188.card:hover .card__view__preview {
189  opacity: 100;
190  transform: translateY(0px);
191}
192
193/* List of other colors you can use */
194.card:nth-child(2n)::before {
195  background-color: #ffd399;
196  background-image: radial-gradient(at 15% 65%, hsla(249,84%,60%,1) 0px, transparent 50%),
197 radial-gradient(at 38% 24%, hsla(197,80%,66%,1) 0px, transparent 50%),
198 radial-gradient(at 65% 93%, hsla(228,83%,60%,1) 0px, transparent 50%),
199 radial-gradient(at 16% 58%, hsla(314,83%,72%,1) 0px, transparent 50%),
200 radial-gradient(at 77% 57%, hsla(298,90%,78%,1) 0px, transparent 50%),
201 radial-gradient(at 76% 95%, hsla(178,64%,76%,1) 0px, transparent 50%),
202 radial-gradient(at 15% 61%, hsla(248,75%,64%,1) 0px, transparent 50%);
203}
204
205.card:nth-child(3n)::before {
206  background-color: #99b3ff;
207  background-image: radial-gradient(at 93% 72%, hsla(293,71%,70%,1) 0px, transparent 50%),
208  radial-gradient(at 28% 37%, hsla(252,81%,71%,1) 0px, transparent 50%),
209  radial-gradient(at 25% 59%, hsla(158,67%,62%,1) 0px, transparent 50%),
210  radial-gradient(at 48% 16%, hsla(197,69%,63%,1) 0px, transparent 50%),
211  radial-gradient(at 70% 56%, hsla(171,69%,70%,1) 0px, transparent 50%),
212  radial-gradient(at 7% 33%, hsla(65,65%,79%,1) 0px, transparent 50%),
213  radial-gradient(at 89% 22%, hsla(286,64%,72%,1) 0px, transparent 50%);
214}
215
216.card:nth-child(4n)::before {
217  background-color: #e2ff99;
218  background-image: radial-gradient(at 22% 80%, hsla(265,77%,67%,1) 0px, transparent 50%),
219  radial-gradient(at 91% 77%, hsla(292,60%,78%,1) 0px, transparent 50%),
220  radial-gradient(at 66% 7%, hsla(46,95%,76%,1) 0px, transparent 50%),
221  radial-gradient(at 16% 32%, hsla(275,90%,75%,1) 0px, transparent 50%),
222  radial-gradient(at 26% 23%, hsla(283,60%,69%,1) 0px, transparent 50%),
223  radial-gradient(at 2% 64%, hsla(208,62%,62%,1) 0px, transparent 50%),
224  radial-gradient(at 62% 77%, hsla(112,88%,75%,1) 0px, transparent 50%);
225}
226
227.card:nth-child(5n)::before {
228  background-color: #99d1ff;
229  background-image: radial-gradient(at 21% 94%, hsla(270,95%,76%,1) 0px, transparent 50%),
230  radial-gradient(at 56% 5%, hsla(252,65%,79%,1) 0px, transparent 50%),
231  radial-gradient(at 67% 94%, hsla(194,81%,67%,1) 0px, transparent 50%),
232  radial-gradient(at 15% 72%, hsla(304,97%,77%,1) 0px, transparent 50%),
233  radial-gradient(at 63% 56%, hsla(38,98%,63%,1) 0px, transparent 50%),
234  radial-gradient(at 41% 67%, hsla(321,61%,77%,1) 0px, transparent 50%),
235  radial-gradient(at 68% 68%, hsla(263,67%,69%,1) 0px, transparent 50%);
236}